Home / 1,027,243.20-1,541,642.40-672,139.20

Finding the Fourth Proportional to 1,027,243.20, 1,541,642.40 and 672,139.20

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Solution

The fourth proportional to 1,027,243.20, 1,541,642.40 and 672,139.20 is: 1,008,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,243.20 : 1,541,642.40 = 672,139.20 : x
  2. Step 2: Convert to fraction form
    1,027,243.20/1,541,642.40 = 672,139.20/x
  3. Step 3: Cross multiply
    1,027,243.20x = 1,541,642.40 × 672,139.20
  4. Step 4: Simplify right side
    1,027,243.20x = 1,036,198,289,422.08
  5. Step 5: Solve for x
    x = 1,036,198,289,422.08/1,027,243.20
  6. Step 6: Final answer
    x = 1,008,717.59

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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.