Home / 681,823-1,022,882.14-261,098.90

Finding the Fourth Proportional to 681,823, 1,022,882.14 and 261,098.90

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Solution

The fourth proportional to 681,823, 1,022,882.14 and 261,098.90 is: 391,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,823 : 1,022,882.14 = 261,098.90 : x
  2. Step 2: Convert to fraction form
    681,823/1,022,882.14 = 261,098.90/x
  3. Step 3: Cross multiply
    681,823x = 1,022,882.14 × 261,098.90
  4. Step 4: Simplify right side
    681,823x = 267,073,401,583.65
  5. Step 5: Solve for x
    x = 267,073,401,583.65/681,823
  6. Step 6: Final answer
    x = 391,704.89

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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.