Home / 1,360,414.65-2,040,129.90-550,459.20

Finding the Fourth Proportional to 1,360,414.65, 2,040,129.90 and 550,459.20

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Solution

The fourth proportional to 1,360,414.65, 2,040,129.90 and 550,459.20 is: 825,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,414.65 : 2,040,129.90 = 550,459.20 : x
  2. Step 2: Convert to fraction form
    1,360,414.65/2,040,129.90 = 550,459.20/x
  3. Step 3: Cross multiply
    1,360,414.65x = 2,040,129.90 × 550,459.20
  4. Step 4: Simplify right side
    1,360,414.65x = 1,123,008,272,650.08
  5. Step 5: Solve for x
    x = 1,123,008,272,650.08/1,360,414.65
  6. Step 6: Final answer
    x = 825,489.69

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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.