Home / 1,350,211.06-1,863,273.18-769,468.78

Finding the Fourth Proportional to 1,350,211.06, 1,863,273.18 and 769,468.78

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Solution

The fourth proportional to 1,350,211.06, 1,863,273.18 and 769,468.78 is: 1,061,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,211.06 : 1,863,273.18 = 769,468.78 : x
  2. Step 2: Convert to fraction form
    1,350,211.06/1,863,273.18 = 769,468.78/x
  3. Step 3: Cross multiply
    1,350,211.06x = 1,863,273.18 × 769,468.78
  4. Step 4: Simplify right side
    1,350,211.06x = 1,433,730,540,621.32
  5. Step 5: Solve for x
    x = 1,433,730,540,621.32/1,350,211.06
  6. Step 6: Final answer
    x = 1,061,856.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.