Home / 1,515,134.60-2,273,248.65-938,086.46

Finding the Fourth Proportional to 1,515,134.60, 2,273,248.65 and 938,086.46

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Solution

The fourth proportional to 1,515,134.60, 2,273,248.65 and 938,086.46 is: 1,407,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,134.60 : 2,273,248.65 = 938,086.46 : x
  2. Step 2: Convert to fraction form
    1,515,134.60/2,273,248.65 = 938,086.46/x
  3. Step 3: Cross multiply
    1,515,134.60x = 2,273,248.65 × 938,086.46
  4. Step 4: Simplify right side
    1,515,134.60x = 2,132,503,778,778.28
  5. Step 5: Solve for x
    x = 2,132,503,778,778.28/1,515,134.60
  6. Step 6: Final answer
    x = 1,407,468.21

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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.