Home / 1,098,778.50-1,655,654.85-903,474

Finding the Fourth Proportional to 1,098,778.50, 1,655,654.85 and 903,474

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Solution

The fourth proportional to 1,098,778.50, 1,655,654.85 and 903,474 is: 1,361,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,778.50 : 1,655,654.85 = 903,474 : x
  2. Step 2: Convert to fraction form
    1,098,778.50/1,655,654.85 = 903,474/x
  3. Step 3: Cross multiply
    1,098,778.50x = 1,655,654.85 × 903,474
  4. Step 4: Simplify right side
    1,098,778.50x = 1,495,841,109,948.90
  5. Step 5: Solve for x
    x = 1,495,841,109,948.90/1,098,778.50
  6. Step 6: Final answer
    x = 1,361,367.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.