Home / 1,375,396.20-2,061,344.70-663,892.20

Finding the Fourth Proportional to 1,375,396.20, 2,061,344.70 and 663,892.20

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Solution

The fourth proportional to 1,375,396.20, 2,061,344.70 and 663,892.20 is: 994,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,396.20 : 2,061,344.70 = 663,892.20 : x
  2. Step 2: Convert to fraction form
    1,375,396.20/2,061,344.70 = 663,892.20/x
  3. Step 3: Cross multiply
    1,375,396.20x = 2,061,344.70 × 663,892.20
  4. Step 4: Simplify right side
    1,375,396.20x = 1,368,510,667,841.34
  5. Step 5: Solve for x
    x = 1,368,510,667,841.34/1,375,396.20
  6. Step 6: Final answer
    x = 994,993.78

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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.