Home / 1,149,713.38-1,724,837.18-391,561.43

Finding the Fourth Proportional to 1,149,713.38, 1,724,837.18 and 391,561.43

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Solution

The fourth proportional to 1,149,713.38, 1,724,837.18 and 391,561.43 is: 587,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,713.38 : 1,724,837.18 = 391,561.43 : x
  2. Step 2: Convert to fraction form
    1,149,713.38/1,724,837.18 = 391,561.43/x
  3. Step 3: Cross multiply
    1,149,713.38x = 1,724,837.18 × 391,561.43
  4. Step 4: Simplify right side
    1,149,713.38x = 675,379,702,135.97
  5. Step 5: Solve for x
    x = 675,379,702,135.97/1,149,713.38
  6. Step 6: Final answer
    x = 587,433.11

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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.