Home / 1,245,755.92-1,719,143.04-672,796.12

Finding the Fourth Proportional to 1,245,755.92, 1,719,143.04 and 672,796.12

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Solution

The fourth proportional to 1,245,755.92, 1,719,143.04 and 672,796.12 is: 928,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,755.92 : 1,719,143.04 = 672,796.12 : x
  2. Step 2: Convert to fraction form
    1,245,755.92/1,719,143.04 = 672,796.12/x
  3. Step 3: Cross multiply
    1,245,755.92x = 1,719,143.04 × 672,796.12
  4. Step 4: Simplify right side
    1,245,755.92x = 1,156,632,767,037.00
  5. Step 5: Solve for x
    x = 1,156,632,767,037.00/1,245,755.92
  6. Step 6: Final answer
    x = 928,458.58

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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.