Home / 1,245,751.92-1,719,137.52-672,792.12

Finding the Fourth Proportional to 1,245,751.92, 1,719,137.52 and 672,792.12

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Solution

The fourth proportional to 1,245,751.92, 1,719,137.52 and 672,792.12 is: 928,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,751.92 : 1,719,137.52 = 672,792.12 : x
  2. Step 2: Convert to fraction form
    1,245,751.92/1,719,137.52 = 672,792.12/x
  3. Step 3: Cross multiply
    1,245,751.92x = 1,719,137.52 × 672,792.12
  4. Step 4: Simplify right side
    1,245,751.92x = 1,156,622,176,652.34
  5. Step 5: Solve for x
    x = 1,156,622,176,652.34/1,245,751.92
  6. Step 6: Final answer
    x = 928,453.06

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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.