Home / 1,442,459.57-2,161,778.10-767,086.62

Finding the Fourth Proportional to 1,442,459.57, 2,161,778.10 and 767,086.62

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Solution

The fourth proportional to 1,442,459.57, 2,161,778.10 and 767,086.62 is: 1,149,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,459.57 : 2,161,778.10 = 767,086.62 : x
  2. Step 2: Convert to fraction form
    1,442,459.57/2,161,778.10 = 767,086.62/x
  3. Step 3: Cross multiply
    1,442,459.57x = 2,161,778.10 × 767,086.62
  4. Step 4: Simplify right side
    1,442,459.57x = 1,658,271,055,919.02
  5. Step 5: Solve for x
    x = 1,658,271,055,919.02/1,442,459.57
  6. Step 6: Final answer
    x = 1,149,613.55

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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.