Home / 1,245,632.15-1,718,972.33-672,672.30

Finding the Fourth Proportional to 1,245,632.15, 1,718,972.33 and 672,672.30

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Solution

The fourth proportional to 1,245,632.15, 1,718,972.33 and 672,672.30 is: 928,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,632.15 : 1,718,972.33 = 672,672.30 : x
  2. Step 2: Convert to fraction form
    1,245,632.15/1,718,972.33 = 672,672.30/x
  3. Step 3: Cross multiply
    1,245,632.15x = 1,718,972.33 × 672,672.30
  4. Step 4: Simplify right side
    1,245,632.15x = 1,156,305,070,857.46
  5. Step 5: Solve for x
    x = 1,156,305,070,857.46/1,245,632.15
  6. Step 6: Final answer
    x = 928,287.75

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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.