Home / 1,332,049.83-1,838,201.36-728,437.83

Finding the Fourth Proportional to 1,332,049.83, 1,838,201.36 and 728,437.83

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Solution

The fourth proportional to 1,332,049.83, 1,838,201.36 and 728,437.83 is: 1,005,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,049.83 : 1,838,201.36 = 728,437.83 : x
  2. Step 2: Convert to fraction form
    1,332,049.83/1,838,201.36 = 728,437.83/x
  3. Step 3: Cross multiply
    1,332,049.83x = 1,838,201.36 × 728,437.83
  4. Step 4: Simplify right side
    1,332,049.83x = 1,339,015,406,139.26
  5. Step 5: Solve for x
    x = 1,339,015,406,139.26/1,332,049.83
  6. Step 6: Final answer
    x = 1,005,229.22

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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.