Home / 820,174.20-1,230,261.30-706,012.80

Finding the Fourth Proportional to 820,174.20, 1,230,261.30 and 706,012.80

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Solution

The fourth proportional to 820,174.20, 1,230,261.30 and 706,012.80 is: 1,059,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,174.20 : 1,230,261.30 = 706,012.80 : x
  2. Step 2: Convert to fraction form
    820,174.20/1,230,261.30 = 706,012.80/x
  3. Step 3: Cross multiply
    820,174.20x = 1,230,261.30 × 706,012.80
  4. Step 4: Simplify right side
    820,174.20x = 868,580,225,144.64
  5. Step 5: Solve for x
    x = 868,580,225,144.64/820,174.20
  6. Step 6: Final answer
    x = 1,059,019.20

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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.