Home / 917,710.20-1,375,220.70-822,940.20

Finding the Fourth Proportional to 917,710.20, 1,375,220.70 and 822,940.20

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Solution

The fourth proportional to 917,710.20, 1,375,220.70 and 822,940.20 is: 1,233,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,710.20 : 1,375,220.70 = 822,940.20 : x
  2. Step 2: Convert to fraction form
    917,710.20/1,375,220.70 = 822,940.20/x
  3. Step 3: Cross multiply
    917,710.20x = 1,375,220.70 × 822,940.20
  4. Step 4: Simplify right side
    917,710.20x = 1,131,724,397,902.14
  5. Step 5: Solve for x
    x = 1,131,724,397,902.14/917,710.20
  6. Step 6: Final answer
    x = 1,233,204.55

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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.