Home / 880,822.80-1,321,234.20-782,845.20

Finding the Fourth Proportional to 880,822.80, 1,321,234.20 and 782,845.20

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Solution

The fourth proportional to 880,822.80, 1,321,234.20 and 782,845.20 is: 1,174,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,822.80 : 1,321,234.20 = 782,845.20 : x
  2. Step 2: Convert to fraction form
    880,822.80/1,321,234.20 = 782,845.20/x
  3. Step 3: Cross multiply
    880,822.80x = 1,321,234.20 × 782,845.20
  4. Step 4: Simplify right side
    880,822.80x = 1,034,321,851,545.84
  5. Step 5: Solve for x
    x = 1,034,321,851,545.84/880,822.80
  6. Step 6: Final answer
    x = 1,174,267.80

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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.