Home / 1,377,854.60-1,901,331.68-765,970.13

Finding the Fourth Proportional to 1,377,854.60, 1,901,331.68 and 765,970.13

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Solution

The fourth proportional to 1,377,854.60, 1,901,331.68 and 765,970.13 is: 1,056,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,854.60 : 1,901,331.68 = 765,970.13 : x
  2. Step 2: Convert to fraction form
    1,377,854.60/1,901,331.68 = 765,970.13/x
  3. Step 3: Cross multiply
    1,377,854.60x = 1,901,331.68 × 765,970.13
  4. Step 4: Simplify right side
    1,377,854.60x = 1,456,363,260,766.21
  5. Step 5: Solve for x
    x = 1,456,363,260,766.21/1,377,854.60
  6. Step 6: Final answer
    x = 1,056,978.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.