Home / 681,166.20-1,019,999.70-540,031.80

Finding the Fourth Proportional to 681,166.20, 1,019,999.70 and 540,031.80

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Solution

The fourth proportional to 681,166.20, 1,019,999.70 and 540,031.80 is: 808,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,166.20 : 1,019,999.70 = 540,031.80 : x
  2. Step 2: Convert to fraction form
    681,166.20/1,019,999.70 = 540,031.80/x
  3. Step 3: Cross multiply
    681,166.20x = 1,019,999.70 × 540,031.80
  4. Step 4: Simplify right side
    681,166.20x = 550,832,273,990.46
  5. Step 5: Solve for x
    x = 550,832,273,990.46/681,166.20
  6. Step 6: Final answer
    x = 808,660.61

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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.