Home / 1,791,211.70-2,687,171.92-511,830.74

Finding the Fourth Proportional to 1,791,211.70, 2,687,171.92 and 511,830.74

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Solution

The fourth proportional to 1,791,211.70, 2,687,171.92 and 511,830.74 is: 767,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,211.70 : 2,687,171.92 = 511,830.74 : x
  2. Step 2: Convert to fraction form
    1,791,211.70/2,687,171.92 = 511,830.74/x
  3. Step 3: Cross multiply
    1,791,211.70x = 2,687,171.92 × 511,830.74
  4. Step 4: Simplify right side
    1,791,211.70x = 1,375,377,192,320.82
  5. Step 5: Solve for x
    x = 1,375,377,192,320.82/1,791,211.70
  6. Step 6: Final answer
    x = 767,847.37

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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.