Home / 1,555,330.60-2,332,995.90-433,399.60

Finding the Fourth Proportional to 1,555,330.60, 2,332,995.90 and 433,399.60

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Solution

The fourth proportional to 1,555,330.60, 2,332,995.90 and 433,399.60 is: 650,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,330.60 : 2,332,995.90 = 433,399.60 : x
  2. Step 2: Convert to fraction form
    1,555,330.60/2,332,995.90 = 433,399.60/x
  3. Step 3: Cross multiply
    1,555,330.60x = 2,332,995.90 × 433,399.60
  4. Step 4: Simplify right side
    1,555,330.60x = 1,011,119,489,861.64
  5. Step 5: Solve for x
    x = 1,011,119,489,861.64/1,555,330.60
  6. Step 6: Final answer
    x = 650,099.40

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Half scale
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Double scale
Find fourth proportional to 1,555,331.60, 2,332,997.40 and 433,400.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.