Home / 1,245,651.22-1,718,998.66-672,691.33

Finding the Fourth Proportional to 1,245,651.22, 1,718,998.66 and 672,691.33

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Solution

The fourth proportional to 1,245,651.22, 1,718,998.66 and 672,691.33 is: 928,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,651.22 : 1,718,998.66 = 672,691.33 : x
  2. Step 2: Convert to fraction form
    1,245,651.22/1,718,998.66 = 672,691.33/x
  3. Step 3: Cross multiply
    1,245,651.22x = 1,718,998.66 × 672,691.33
  4. Step 4: Simplify right side
    1,245,651.22x = 1,156,355,494,863.62
  5. Step 5: Solve for x
    x = 1,156,355,494,863.62/1,245,651.22
  6. Step 6: Final answer
    x = 928,314.02

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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.