Home / 1,127,859.78-1,691,761.56-329,148.24

Finding the Fourth Proportional to 1,127,859.78, 1,691,761.56 and 329,148.24

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Solution

The fourth proportional to 1,127,859.78, 1,691,761.56 and 329,148.24 is: 493,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,859.78 : 1,691,761.56 = 329,148.24 : x
  2. Step 2: Convert to fraction form
    1,127,859.78/1,691,761.56 = 329,148.24/x
  3. Step 3: Cross multiply
    1,127,859.78x = 1,691,761.56 × 329,148.24
  4. Step 4: Simplify right side
    1,127,859.78x = 556,840,339,973.65
  5. Step 5: Solve for x
    x = 556,840,339,973.65/1,127,859.78
  6. Step 6: Final answer
    x = 493,714.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.