Home / 1,065,163.28-1,469,961.60-629,953.70

Finding the Fourth Proportional to 1,065,163.28, 1,469,961.60 and 629,953.70

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Solution

The fourth proportional to 1,065,163.28, 1,469,961.60 and 629,953.70 is: 869,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,163.28 : 1,469,961.60 = 629,953.70 : x
  2. Step 2: Convert to fraction form
    1,065,163.28/1,469,961.60 = 629,953.70/x
  3. Step 3: Cross multiply
    1,065,163.28x = 1,469,961.60 × 629,953.70
  4. Step 4: Simplify right side
    1,065,163.28x = 926,007,741,428.11
  5. Step 5: Solve for x
    x = 926,007,741,428.11/1,065,163.28
  6. Step 6: Final answer
    x = 869,357.56

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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.