Home / 748,906.40-1,123,359.60-707,572.10

Finding the Fourth Proportional to 748,906.40, 1,123,359.60 and 707,572.10

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Solution

The fourth proportional to 748,906.40, 1,123,359.60 and 707,572.10 is: 1,061,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,906.40 : 1,123,359.60 = 707,572.10 : x
  2. Step 2: Convert to fraction form
    748,906.40/1,123,359.60 = 707,572.10/x
  3. Step 3: Cross multiply
    748,906.40x = 1,123,359.60 × 707,572.10
  4. Step 4: Simplify right side
    748,906.40x = 794,857,911,227.16
  5. Step 5: Solve for x
    x = 794,857,911,227.16/748,906.40
  6. Step 6: Final answer
    x = 1,061,358.15

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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.