Home / 1,382,862.64-2,074,359.66-672,043.90

Finding the Fourth Proportional to 1,382,862.64, 2,074,359.66 and 672,043.90

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Solution

The fourth proportional to 1,382,862.64, 2,074,359.66 and 672,043.90 is: 1,008,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,862.64 : 2,074,359.66 = 672,043.90 : x
  2. Step 2: Convert to fraction form
    1,382,862.64/2,074,359.66 = 672,043.90/x
  3. Step 3: Cross multiply
    1,382,862.64x = 2,074,359.66 × 672,043.90
  4. Step 4: Simplify right side
    1,382,862.64x = 1,394,060,755,909.07
  5. Step 5: Solve for x
    x = 1,394,060,755,909.07/1,382,862.64
  6. Step 6: Final answer
    x = 1,008,097.78

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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.