Home / 681,301.60-1,021,952.40-667,304.80

Finding the Fourth Proportional to 681,301.60, 1,021,952.40 and 667,304.80

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Solution

The fourth proportional to 681,301.60, 1,021,952.40 and 667,304.80 is: 1,000,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,301.60 : 1,021,952.40 = 667,304.80 : x
  2. Step 2: Convert to fraction form
    681,301.60/1,021,952.40 = 667,304.80/x
  3. Step 3: Cross multiply
    681,301.60x = 1,021,952.40 × 667,304.80
  4. Step 4: Simplify right side
    681,301.60x = 681,953,741,891.52
  5. Step 5: Solve for x
    x = 681,953,741,891.52/681,301.60
  6. Step 6: Final answer
    x = 1,000,957.20

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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.