Home / 814,822.80-1,222,234.20-768,166.80

Finding the Fourth Proportional to 814,822.80, 1,222,234.20 and 768,166.80

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Solution

The fourth proportional to 814,822.80, 1,222,234.20 and 768,166.80 is: 1,152,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,822.80 : 1,222,234.20 = 768,166.80 : x
  2. Step 2: Convert to fraction form
    814,822.80/1,222,234.20 = 768,166.80/x
  3. Step 3: Cross multiply
    814,822.80x = 1,222,234.20 × 768,166.80
  4. Step 4: Simplify right side
    814,822.80x = 938,879,734,264.56
  5. Step 5: Solve for x
    x = 938,879,734,264.56/814,822.80
  6. Step 6: Final answer
    x = 1,152,250.20

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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.