Home / 814,459.52-1,221,727.68-672,040.64

Finding the Fourth Proportional to 814,459.52, 1,221,727.68 and 672,040.64

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Solution

The fourth proportional to 814,459.52, 1,221,727.68 and 672,040.64 is: 1,008,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,459.52 : 1,221,727.68 = 672,040.64 : x
  2. Step 2: Convert to fraction form
    814,459.52/1,221,727.68 = 672,040.64/x
  3. Step 3: Cross multiply
    814,459.52x = 1,221,727.68 × 672,040.64
  4. Step 4: Simplify right side
    814,459.52x = 821,050,651,972.92
  5. Step 5: Solve for x
    x = 821,050,651,972.92/814,459.52
  6. Step 6: Final answer
    x = 1,008,092.65

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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.