Home / 1,613,019.60-2,419,529.40-667,069.20

Finding the Fourth Proportional to 1,613,019.60, 2,419,529.40 and 667,069.20

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Solution

The fourth proportional to 1,613,019.60, 2,419,529.40 and 667,069.20 is: 1,000,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,019.60 : 2,419,529.40 = 667,069.20 : x
  2. Step 2: Convert to fraction form
    1,613,019.60/2,419,529.40 = 667,069.20/x
  3. Step 3: Cross multiply
    1,613,019.60x = 2,419,529.40 × 667,069.20
  4. Step 4: Simplify right side
    1,613,019.60x = 1,613,993,541,234.48
  5. Step 5: Solve for x
    x = 1,613,993,541,234.48/1,613,019.60
  6. Step 6: Final answer
    x = 1,000,603.80

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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.