Home / 1,613,620.20-2,420,171.10-491,428.20

Finding the Fourth Proportional to 1,613,620.20, 2,420,171.10 and 491,428.20

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Solution

The fourth proportional to 1,613,620.20, 2,420,171.10 and 491,428.20 is: 737,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,620.20 : 2,420,171.10 = 491,428.20 : x
  2. Step 2: Convert to fraction form
    1,613,620.20/2,420,171.10 = 491,428.20/x
  3. Step 3: Cross multiply
    1,613,620.20x = 2,420,171.10 × 491,428.20
  4. Step 4: Simplify right side
    1,613,620.20x = 1,189,340,327,365.02
  5. Step 5: Solve for x
    x = 1,189,340,327,365.02/1,613,620.20
  6. Step 6: Final answer
    x = 737,063.36

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1.5x scale

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.