Home / 1,555,421.70-2,333,132.55-433,490.70

Finding the Fourth Proportional to 1,555,421.70, 2,333,132.55 and 433,490.70

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Solution

The fourth proportional to 1,555,421.70, 2,333,132.55 and 433,490.70 is: 650,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,421.70 : 2,333,132.55 = 433,490.70 : x
  2. Step 2: Convert to fraction form
    1,555,421.70/2,333,132.55 = 433,490.70/x
  3. Step 3: Cross multiply
    1,555,421.70x = 2,333,132.55 × 433,490.70
  4. Step 4: Simplify right side
    1,555,421.70x = 1,011,391,262,292.28
  5. Step 5: Solve for x
    x = 1,011,391,262,292.28/1,555,421.70
  6. Step 6: Final answer
    x = 650,236.05

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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.