Home / 1,350,422.45-1,863,631.50-769,733.21

Finding the Fourth Proportional to 1,350,422.45, 1,863,631.50 and 769,733.21

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Solution

The fourth proportional to 1,350,422.45, 1,863,631.50 and 769,733.21 is: 1,062,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,422.45 : 1,863,631.50 = 769,733.21 : x
  2. Step 2: Convert to fraction form
    1,350,422.45/1,863,631.50 = 769,733.21/x
  3. Step 3: Cross multiply
    1,350,422.45x = 1,863,631.50 × 769,733.21
  4. Step 4: Simplify right side
    1,350,422.45x = 1,434,499,043,585.29
  5. Step 5: Solve for x
    x = 1,434,499,043,585.29/1,350,422.45
  6. Step 6: Final answer
    x = 1,062,259.48

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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.