Home / 1,291,247.55-1,936,871.33-1,229,246.10

Finding the Fourth Proportional to 1,291,247.55, 1,936,871.33 and 1,229,246.10

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Solution

The fourth proportional to 1,291,247.55, 1,936,871.33 and 1,229,246.10 is: 1,843,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,247.55 : 1,936,871.33 = 1,229,246.10 : x
  2. Step 2: Convert to fraction form
    1,291,247.55/1,936,871.33 = 1,229,246.10/x
  3. Step 3: Cross multiply
    1,291,247.55x = 1,936,871.33 × 1,229,246.10
  4. Step 4: Simplify right side
    1,291,247.55x = 2,380,891,522,458.08
  5. Step 5: Solve for x
    x = 2,380,891,522,458.08/1,291,247.55
  6. Step 6: Final answer
    x = 1,843,869.15

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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.