Home / 1,156,729.52-1,596,320.52-647,418.80

Finding the Fourth Proportional to 1,156,729.52, 1,596,320.52 and 647,418.80

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Solution

The fourth proportional to 1,156,729.52, 1,596,320.52 and 647,418.80 is: 893,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,729.52 : 1,596,320.52 = 647,418.80 : x
  2. Step 2: Convert to fraction form
    1,156,729.52/1,596,320.52 = 647,418.80/x
  3. Step 3: Cross multiply
    1,156,729.52x = 1,596,320.52 × 647,418.80
  4. Step 4: Simplify right side
    1,156,729.52x = 1,033,487,915,473.78
  5. Step 5: Solve for x
    x = 1,033,487,915,473.78/1,156,729.52
  6. Step 6: Final answer
    x = 893,456.85

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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.