Home / 917,719.20-1,375,234.20-822,949.20

Finding the Fourth Proportional to 917,719.20, 1,375,234.20 and 822,949.20

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Solution

The fourth proportional to 917,719.20, 1,375,234.20 and 822,949.20 is: 1,233,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,719.20 : 1,375,234.20 = 822,949.20 : x
  2. Step 2: Convert to fraction form
    917,719.20/1,375,234.20 = 822,949.20/x
  3. Step 3: Cross multiply
    917,719.20x = 1,375,234.20 × 822,949.20
  4. Step 4: Simplify right side
    917,719.20x = 1,131,747,884,702.64
  5. Step 5: Solve for x
    x = 1,131,747,884,702.64/917,719.20
  6. Step 6: Final answer
    x = 1,233,218.05

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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.