Home / 1,162,639.68-1,743,992.33-321,191.43

Finding the Fourth Proportional to 1,162,639.68, 1,743,992.33 and 321,191.43

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Solution

The fourth proportional to 1,162,639.68, 1,743,992.33 and 321,191.43 is: 481,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,639.68 : 1,743,992.33 = 321,191.43 : x
  2. Step 2: Convert to fraction form
    1,162,639.68/1,743,992.33 = 321,191.43/x
  3. Step 3: Cross multiply
    1,162,639.68x = 1,743,992.33 × 321,191.43
  4. Step 4: Simplify right side
    1,162,639.68x = 560,155,388,775.78
  5. Step 5: Solve for x
    x = 560,155,388,775.78/1,162,639.68
  6. Step 6: Final answer
    x = 481,796.21

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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.