Home / 1,488,737.52-2,054,418.84-868,661.28

Finding the Fourth Proportional to 1,488,737.52, 2,054,418.84 and 868,661.28

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Solution

The fourth proportional to 1,488,737.52, 2,054,418.84 and 868,661.28 is: 1,198,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,737.52 : 2,054,418.84 = 868,661.28 : x
  2. Step 2: Convert to fraction form
    1,488,737.52/2,054,418.84 = 868,661.28/x
  3. Step 3: Cross multiply
    1,488,737.52x = 2,054,418.84 × 868,661.28
  4. Step 4: Simplify right side
    1,488,737.52x = 1,784,594,099,210.52
  5. Step 5: Solve for x
    x = 1,784,594,099,210.52/1,488,737.52
  6. Step 6: Final answer
    x = 1,198,729.85

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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.