Home / 1,279,280.26-1,765,434.32-706,356.73

Finding the Fourth Proportional to 1,279,280.26, 1,765,434.32 and 706,356.73

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Solution

The fourth proportional to 1,279,280.26, 1,765,434.32 and 706,356.73 is: 974,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,280.26 : 1,765,434.32 = 706,356.73 : x
  2. Step 2: Convert to fraction form
    1,279,280.26/1,765,434.32 = 706,356.73/x
  3. Step 3: Cross multiply
    1,279,280.26x = 1,765,434.32 × 706,356.73
  4. Step 4: Simplify right side
    1,279,280.26x = 1,247,026,413,304.97
  5. Step 5: Solve for x
    x = 1,247,026,413,304.97/1,279,280.26
  6. Step 6: Final answer
    x = 974,787.51

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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.