Home / 798,922.20-1,198,383.30-726,605.40

Finding the Fourth Proportional to 798,922.20, 1,198,383.30 and 726,605.40

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Solution

The fourth proportional to 798,922.20, 1,198,383.30 and 726,605.40 is: 1,089,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,922.20 : 1,198,383.30 = 726,605.40 : x
  2. Step 2: Convert to fraction form
    798,922.20/1,198,383.30 = 726,605.40/x
  3. Step 3: Cross multiply
    798,922.20x = 1,198,383.30 × 726,605.40
  4. Step 4: Simplify right side
    798,922.20x = 870,751,777,049.82
  5. Step 5: Solve for x
    x = 870,751,777,049.82/798,922.20
  6. Step 6: Final answer
    x = 1,089,908.10

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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.