Home / 1,010,538.72-1,394,542.08-557,828.64

Finding the Fourth Proportional to 1,010,538.72, 1,394,542.08 and 557,828.64

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Solution

The fourth proportional to 1,010,538.72, 1,394,542.08 and 557,828.64 is: 769,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,538.72 : 1,394,542.08 = 557,828.64 : x
  2. Step 2: Convert to fraction form
    1,010,538.72/1,394,542.08 = 557,828.64/x
  3. Step 3: Cross multiply
    1,010,538.72x = 1,394,542.08 × 557,828.64
  4. Step 4: Simplify right side
    1,010,538.72x = 777,915,511,909.17
  5. Step 5: Solve for x
    x = 777,915,511,909.17/1,010,538.72
  6. Step 6: Final answer
    x = 769,802.78

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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.