Home / 721,926.93-1,081,333.60-679,481.88

Finding the Fourth Proportional to 721,926.93, 1,081,333.60 and 679,481.88

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Solution

The fourth proportional to 721,926.93, 1,081,333.60 and 679,481.88 is: 1,017,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,926.93 : 1,081,333.60 = 679,481.88 : x
  2. Step 2: Convert to fraction form
    721,926.93/1,081,333.60 = 679,481.88/x
  3. Step 3: Cross multiply
    721,926.93x = 1,081,333.60 × 679,481.88
  4. Step 4: Simplify right side
    721,926.93x = 734,746,587,306.65
  5. Step 5: Solve for x
    x = 734,746,587,306.65/721,926.93
  6. Step 6: Final answer
    x = 1,017,757.55

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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.