Home / 1,010,480.64-1,394,472.96-557,761.92

Finding the Fourth Proportional to 1,010,480.64, 1,394,472.96 and 557,761.92

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Solution

The fourth proportional to 1,010,480.64, 1,394,472.96 and 557,761.92 is: 769,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,480.64 : 1,394,472.96 = 557,761.92 : x
  2. Step 2: Convert to fraction form
    1,010,480.64/1,394,472.96 = 557,761.92/x
  3. Step 3: Cross multiply
    1,010,480.64x = 1,394,472.96 × 557,761.92
  4. Step 4: Simplify right side
    1,010,480.64x = 777,783,915,557.68
  5. Step 5: Solve for x
    x = 777,783,915,557.68/1,010,480.64
  6. Step 6: Final answer
    x = 769,716.79

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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.