Home / 1,103,241.90-1,522,597.40-667,899.20

Finding the Fourth Proportional to 1,103,241.90, 1,522,597.40 and 667,899.20

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Solution

The fourth proportional to 1,103,241.90, 1,522,597.40 and 667,899.20 is: 921,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,241.90 : 1,522,597.40 = 667,899.20 : x
  2. Step 2: Convert to fraction form
    1,103,241.90/1,522,597.40 = 667,899.20/x
  3. Step 3: Cross multiply
    1,103,241.90x = 1,522,597.40 × 667,899.20
  4. Step 4: Simplify right side
    1,103,241.90x = 1,016,941,585,849.08
  5. Step 5: Solve for x
    x = 1,016,941,585,849.08/1,103,241.90
  6. Step 6: Final answer
    x = 921,775.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.