Home / 681,126.80-1,021,690.20-574,838.60

Finding the Fourth Proportional to 681,126.80, 1,021,690.20 and 574,838.60

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Solution

The fourth proportional to 681,126.80, 1,021,690.20 and 574,838.60 is: 862,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,126.80 : 1,021,690.20 = 574,838.60 : x
  2. Step 2: Convert to fraction form
    681,126.80/1,021,690.20 = 574,838.60/x
  3. Step 3: Cross multiply
    681,126.80x = 1,021,690.20 × 574,838.60
  4. Step 4: Simplify right side
    681,126.80x = 587,306,964,201.72
  5. Step 5: Solve for x
    x = 587,306,964,201.72/681,126.80
  6. Step 6: Final answer
    x = 862,257.90

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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.