Home / 1,255,108.32-1,732,049.71-682,148.54

Finding the Fourth Proportional to 1,255,108.32, 1,732,049.71 and 682,148.54

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Solution

The fourth proportional to 1,255,108.32, 1,732,049.71 and 682,148.54 is: 941,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,108.32 : 1,732,049.71 = 682,148.54 : x
  2. Step 2: Convert to fraction form
    1,255,108.32/1,732,049.71 = 682,148.54/x
  3. Step 3: Cross multiply
    1,255,108.32x = 1,732,049.71 × 682,148.54
  4. Step 4: Simplify right side
    1,255,108.32x = 1,181,515,183,508.68
  5. Step 5: Solve for x
    x = 1,181,515,183,508.68/1,255,108.32
  6. Step 6: Final answer
    x = 941,365.11

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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.