Home / 1,042.08-1,437.66-727.26

Finding the Fourth Proportional to 1,042.08, 1,437.66 and 727.26

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Solution

The fourth proportional to 1,042.08, 1,437.66 and 727.26 is: 1,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.08 : 1,437.66 = 727.26 : x
  2. Step 2: Convert to fraction form
    1,042.08/1,437.66 = 727.26/x
  3. Step 3: Cross multiply
    1,042.08x = 1,437.66 × 727.26
  4. Step 4: Simplify right side
    1,042.08x = 1,045,552.61
  5. Step 5: Solve for x
    x = 1,045,552.61/1,042.08
  6. Step 6: Final answer
    x = 1,003.33

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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.