Home / 1,309,121.52-1,806,576.30-736,149.48

Finding the Fourth Proportional to 1,309,121.52, 1,806,576.30 and 736,149.48

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Solution

The fourth proportional to 1,309,121.52, 1,806,576.30 and 736,149.48 is: 1,015,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,121.52 : 1,806,576.30 = 736,149.48 : x
  2. Step 2: Convert to fraction form
    1,309,121.52/1,806,576.30 = 736,149.48/x
  3. Step 3: Cross multiply
    1,309,121.52x = 1,806,576.30 × 736,149.48
  4. Step 4: Simplify right side
    1,309,121.52x = 1,329,910,203,825.32
  5. Step 5: Solve for x
    x = 1,329,910,203,825.32/1,309,121.52
  6. Step 6: Final answer
    x = 1,015,879.87

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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.