Home / 681,827-1,022,888.14-261,102.90

Finding the Fourth Proportional to 681,827, 1,022,888.14 and 261,102.90

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Solution

The fourth proportional to 681,827, 1,022,888.14 and 261,102.90 is: 391,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,827 : 1,022,888.14 = 261,102.90 : x
  2. Step 2: Convert to fraction form
    681,827/1,022,888.14 = 261,102.90/x
  3. Step 3: Cross multiply
    681,827x = 1,022,888.14 × 261,102.90
  4. Step 4: Simplify right side
    681,827x = 267,079,059,729.61
  5. Step 5: Solve for x
    x = 267,079,059,729.61/681,827
  6. Step 6: Final answer
    x = 391,710.89

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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.