Home / 814,813.80-1,222,439.40-726,677.70

Finding the Fourth Proportional to 814,813.80, 1,222,439.40 and 726,677.70

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Solution

The fourth proportional to 814,813.80, 1,222,439.40 and 726,677.70 is: 1,090,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,813.80 : 1,222,439.40 = 726,677.70 : x
  2. Step 2: Convert to fraction form
    814,813.80/1,222,439.40 = 726,677.70/x
  3. Step 3: Cross multiply
    814,813.80x = 1,222,439.40 × 726,677.70
  4. Step 4: Simplify right side
    814,813.80x = 888,319,451,581.38
  5. Step 5: Solve for x
    x = 888,319,451,581.38/814,813.80
  6. Step 6: Final answer
    x = 1,090,211.59

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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.