Home / 1,378,049.70-2,067,074.55-998,167.80

Finding the Fourth Proportional to 1,378,049.70, 2,067,074.55 and 998,167.80

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Solution

The fourth proportional to 1,378,049.70, 2,067,074.55 and 998,167.80 is: 1,497,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,049.70 : 2,067,074.55 = 998,167.80 : x
  2. Step 2: Convert to fraction form
    1,378,049.70/2,067,074.55 = 998,167.80/x
  3. Step 3: Cross multiply
    1,378,049.70x = 2,067,074.55 × 998,167.80
  4. Step 4: Simplify right side
    1,378,049.70x = 2,063,287,256,009.49
  5. Step 5: Solve for x
    x = 2,063,287,256,009.49/1,378,049.70
  6. Step 6: Final answer
    x = 1,497,251.70

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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.