Home / 1,715,081.80-2,571,791.82-516,780.76

Finding the Fourth Proportional to 1,715,081.80, 2,571,791.82 and 516,780.76

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Solution

The fourth proportional to 1,715,081.80, 2,571,791.82 and 516,780.76 is: 774,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,081.80 : 2,571,791.82 = 516,780.76 : x
  2. Step 2: Convert to fraction form
    1,715,081.80/2,571,791.82 = 516,780.76/x
  3. Step 3: Cross multiply
    1,715,081.80x = 2,571,791.82 × 516,780.76
  4. Step 4: Simplify right side
    1,715,081.80x = 1,329,052,531,301.38
  5. Step 5: Solve for x
    x = 1,329,052,531,301.38/1,715,081.80
  6. Step 6: Final answer
    x = 774,920.78

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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.