Home / 1,225,105.02-1,690,646.31-681,229.17

Finding the Fourth Proportional to 1,225,105.02, 1,690,646.31 and 681,229.17

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Solution

The fourth proportional to 1,225,105.02, 1,690,646.31 and 681,229.17 is: 940,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,105.02 : 1,690,646.31 = 681,229.17 : x
  2. Step 2: Convert to fraction form
    1,225,105.02/1,690,646.31 = 681,229.17/x
  3. Step 3: Cross multiply
    1,225,105.02x = 1,690,646.31 × 681,229.17
  4. Step 4: Simplify right side
    1,225,105.02x = 1,151,717,582,524.86
  5. Step 5: Solve for x
    x = 1,151,717,582,524.86/1,225,105.02
  6. Step 6: Final answer
    x = 940,097.02

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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.