Home / 681,815.58-1,022,871-261,091.46

Finding the Fourth Proportional to 681,815.58, 1,022,871 and 261,091.46

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Solution

The fourth proportional to 681,815.58, 1,022,871 and 261,091.46 is: 391,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,815.58 : 1,022,871 = 261,091.46 : x
  2. Step 2: Convert to fraction form
    681,815.58/1,022,871 = 261,091.46/x
  3. Step 3: Cross multiply
    681,815.58x = 1,022,871 × 261,091.46
  4. Step 4: Simplify right side
    681,815.58x = 267,062,882,781.66
  5. Step 5: Solve for x
    x = 267,062,882,781.66/681,815.58
  6. Step 6: Final answer
    x = 391,693.72

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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.