Home / 1,198,366.20-1,796,018.40-487,591.20

Finding the Fourth Proportional to 1,198,366.20, 1,796,018.40 and 487,591.20

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Solution

The fourth proportional to 1,198,366.20, 1,796,018.40 and 487,591.20 is: 730,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,366.20 : 1,796,018.40 = 487,591.20 : x
  2. Step 2: Convert to fraction form
    1,198,366.20/1,796,018.40 = 487,591.20/x
  3. Step 3: Cross multiply
    1,198,366.20x = 1,796,018.40 × 487,591.20
  4. Step 4: Simplify right side
    1,198,366.20x = 875,722,766,878.08
  5. Step 5: Solve for x
    x = 875,722,766,878.08/1,198,366.20
  6. Step 6: Final answer
    x = 730,763.91

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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.