Home / 1,394,122.20-2,086,517.70-974,218.20

Finding the Fourth Proportional to 1,394,122.20, 2,086,517.70 and 974,218.20

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Solution

The fourth proportional to 1,394,122.20, 2,086,517.70 and 974,218.20 is: 1,458,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,122.20 : 2,086,517.70 = 974,218.20 : x
  2. Step 2: Convert to fraction form
    1,394,122.20/2,086,517.70 = 974,218.20/x
  3. Step 3: Cross multiply
    1,394,122.20x = 2,086,517.70 × 974,218.20
  4. Step 4: Simplify right side
    1,394,122.20x = 2,032,723,517,962.14
  5. Step 5: Solve for x
    x = 2,032,723,517,962.14/1,394,122.20
  6. Step 6: Final answer
    x = 1,458,066.96

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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.