Home / 681,860.12-1,022,937.66-261,136.04

Finding the Fourth Proportional to 681,860.12, 1,022,937.66 and 261,136.04

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Solution

The fourth proportional to 681,860.12, 1,022,937.66 and 261,136.04 is: 391,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,860.12 : 1,022,937.66 = 261,136.04 : x
  2. Step 2: Convert to fraction form
    681,860.12/1,022,937.66 = 261,136.04/x
  3. Step 3: Cross multiply
    681,860.12x = 1,022,937.66 × 261,136.04
  4. Step 4: Simplify right side
    681,860.12x = 267,125,889,699.27
  5. Step 5: Solve for x
    x = 267,125,889,699.27/681,860.12
  6. Step 6: Final answer
    x = 391,760.54

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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.