Home / 1,328,163.28-1,832,856.76-755,203.40

Finding the Fourth Proportional to 1,328,163.28, 1,832,856.76 and 755,203.40

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Solution

The fourth proportional to 1,328,163.28, 1,832,856.76 and 755,203.40 is: 1,042,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,163.28 : 1,832,856.76 = 755,203.40 : x
  2. Step 2: Convert to fraction form
    1,328,163.28/1,832,856.76 = 755,203.40/x
  3. Step 3: Cross multiply
    1,328,163.28x = 1,832,856.76 × 755,203.40
  4. Step 4: Simplify right side
    1,328,163.28x = 1,384,179,655,517.92
  5. Step 5: Solve for x
    x = 1,384,179,655,517.92/1,328,163.28
  6. Step 6: Final answer
    x = 1,042,175.82

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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.