Home / 1,555,333.60-2,333,000.40-433,402.60

Finding the Fourth Proportional to 1,555,333.60, 2,333,000.40 and 433,402.60

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Solution

The fourth proportional to 1,555,333.60, 2,333,000.40 and 433,402.60 is: 650,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,333.60 : 2,333,000.40 = 433,402.60 : x
  2. Step 2: Convert to fraction form
    1,555,333.60/2,333,000.40 = 433,402.60/x
  3. Step 3: Cross multiply
    1,555,333.60x = 2,333,000.40 × 433,402.60
  4. Step 4: Simplify right side
    1,555,333.60x = 1,011,128,439,161.04
  5. Step 5: Solve for x
    x = 1,011,128,439,161.04/1,555,333.60
  6. Step 6: Final answer
    x = 650,103.90

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Double scale
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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.