Home / 1,091,891.25-1,506,380.31-729,551.79

Finding the Fourth Proportional to 1,091,891.25, 1,506,380.31 and 729,551.79

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Solution

The fourth proportional to 1,091,891.25, 1,506,380.31 and 729,551.79 is: 1,006,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,891.25 : 1,506,380.31 = 729,551.79 : x
  2. Step 2: Convert to fraction form
    1,091,891.25/1,506,380.31 = 729,551.79/x
  3. Step 3: Cross multiply
    1,091,891.25x = 1,506,380.31 × 729,551.79
  4. Step 4: Simplify right side
    1,091,891.25x = 1,098,982,451,581.26
  5. Step 5: Solve for x
    x = 1,098,982,451,581.26/1,091,891.25
  6. Step 6: Final answer
    x = 1,006,494.42

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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.