Home / 678,055.92-1,017,132.52-179,414

Finding the Fourth Proportional to 678,055.92, 1,017,132.52 and 179,414

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Solution

The fourth proportional to 678,055.92, 1,017,132.52 and 179,414 is: 269,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,055.92 : 1,017,132.52 = 179,414 : x
  2. Step 2: Convert to fraction form
    678,055.92/1,017,132.52 = 179,414/x
  3. Step 3: Cross multiply
    678,055.92x = 1,017,132.52 × 179,414
  4. Step 4: Simplify right side
    678,055.92x = 182,487,813,943.28
  5. Step 5: Solve for x
    x = 182,487,813,943.28/678,055.92
  6. Step 6: Final answer
    x = 269,133.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.