Home / 1,231,954.38-1,700,131.32-680,705.62

Finding the Fourth Proportional to 1,231,954.38, 1,700,131.32 and 680,705.62

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Solution

The fourth proportional to 1,231,954.38, 1,700,131.32 and 680,705.62 is: 939,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,954.38 : 1,700,131.32 = 680,705.62 : x
  2. Step 2: Convert to fraction form
    1,231,954.38/1,700,131.32 = 680,705.62/x
  3. Step 3: Cross multiply
    1,231,954.38x = 1,700,131.32 × 680,705.62
  4. Step 4: Simplify right side
    1,231,954.38x = 1,157,288,944,262.02
  5. Step 5: Solve for x
    x = 1,157,288,944,262.02/1,231,954.38
  6. Step 6: Final answer
    x = 939,392.69

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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.