Home / 1,792,414.66-2,689,863.79-712,816.69

Finding the Fourth Proportional to 1,792,414.66, 2,689,863.79 and 712,816.69

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Solution

The fourth proportional to 1,792,414.66, 2,689,863.79 and 712,816.69 is: 1,069,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,414.66 : 2,689,863.79 = 712,816.69 : x
  2. Step 2: Convert to fraction form
    1,792,414.66/2,689,863.79 = 712,816.69/x
  3. Step 3: Cross multiply
    1,792,414.66x = 2,689,863.79 × 712,816.69
  4. Step 4: Simplify right side
    1,792,414.66x = 1,917,379,794,831.95
  5. Step 5: Solve for x
    x = 1,917,379,794,831.95/1,792,414.66
  6. Step 6: Final answer
    x = 1,069,718.88

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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.