Home / 1,198,214.40-1,796,821.76-487,760.16

Finding the Fourth Proportional to 1,198,214.40, 1,796,821.76 and 487,760.16

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Solution

The fourth proportional to 1,198,214.40, 1,796,821.76 and 487,760.16 is: 731,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,214.40 : 1,796,821.76 = 487,760.16 : x
  2. Step 2: Convert to fraction form
    1,198,214.40/1,796,821.76 = 487,760.16/x
  3. Step 3: Cross multiply
    1,198,214.40x = 1,796,821.76 × 487,760.16
  4. Step 4: Simplify right side
    1,198,214.40x = 876,418,069,149.08
  5. Step 5: Solve for x
    x = 876,418,069,149.08/1,198,214.40
  6. Step 6: Final answer
    x = 731,436.77

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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.