Home / 814,854.80-1,222,500.90-726,718.70

Finding the Fourth Proportional to 814,854.80, 1,222,500.90 and 726,718.70

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Solution

The fourth proportional to 814,854.80, 1,222,500.90 and 726,718.70 is: 1,090,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,854.80 : 1,222,500.90 = 726,718.70 : x
  2. Step 2: Convert to fraction form
    814,854.80/1,222,500.90 = 726,718.70/x
  3. Step 3: Cross multiply
    814,854.80x = 1,222,500.90 × 726,718.70
  4. Step 4: Simplify right side
    814,854.80x = 888,414,264,796.83
  5. Step 5: Solve for x
    x = 888,414,264,796.83/814,854.80
  6. Step 6: Final answer
    x = 1,090,273.10

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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.