Home / 1,010,356.76-1,394,193.06-557,618.60

Finding the Fourth Proportional to 1,010,356.76, 1,394,193.06 and 557,618.60

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Solution

The fourth proportional to 1,010,356.76, 1,394,193.06 and 557,618.60 is: 769,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,356.76 : 1,394,193.06 = 557,618.60 : x
  2. Step 2: Convert to fraction form
    1,010,356.76/1,394,193.06 = 557,618.60/x
  3. Step 3: Cross multiply
    1,010,356.76x = 1,394,193.06 × 557,618.60
  4. Step 4: Simplify right side
    1,010,356.76x = 777,427,982,246.92
  5. Step 5: Solve for x
    x = 777,427,982,246.92/1,010,356.76
  6. Step 6: Final answer
    x = 769,458.88

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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.