Home / 822,077.80-1,233,116.70-759,092.20

Finding the Fourth Proportional to 822,077.80, 1,233,116.70 and 759,092.20

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Solution

The fourth proportional to 822,077.80, 1,233,116.70 and 759,092.20 is: 1,138,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,077.80 : 1,233,116.70 = 759,092.20 : x
  2. Step 2: Convert to fraction form
    822,077.80/1,233,116.70 = 759,092.20/x
  3. Step 3: Cross multiply
    822,077.80x = 1,233,116.70 × 759,092.20
  4. Step 4: Simplify right side
    822,077.80x = 936,049,268,659.74
  5. Step 5: Solve for x
    x = 936,049,268,659.74/822,077.80
  6. Step 6: Final answer
    x = 1,138,638.30

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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.