Home / 1,255,103.16-1,732,042.56-682,143.31

Finding the Fourth Proportional to 1,255,103.16, 1,732,042.56 and 682,143.31

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Solution

The fourth proportional to 1,255,103.16, 1,732,042.56 and 682,143.31 is: 941,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,103.16 : 1,732,042.56 = 682,143.31 : x
  2. Step 2: Convert to fraction form
    1,255,103.16/1,732,042.56 = 682,143.31/x
  3. Step 3: Cross multiply
    1,255,103.16x = 1,732,042.56 × 682,143.31
  4. Step 4: Simplify right side
    1,255,103.16x = 1,181,501,244,939.27
  5. Step 5: Solve for x
    x = 1,181,501,244,939.27/1,255,103.16
  6. Step 6: Final answer
    x = 941,357.88

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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.