Home / 1,131,062.36-1,560,630.51-672,339.11

Finding the Fourth Proportional to 1,131,062.36, 1,560,630.51 and 672,339.11

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Solution

The fourth proportional to 1,131,062.36, 1,560,630.51 and 672,339.11 is: 927,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,062.36 : 1,560,630.51 = 672,339.11 : x
  2. Step 2: Convert to fraction form
    1,131,062.36/1,560,630.51 = 672,339.11/x
  3. Step 3: Cross multiply
    1,131,062.36x = 1,560,630.51 × 672,339.11
  4. Step 4: Simplify right side
    1,131,062.36x = 1,049,272,920,329.09
  5. Step 5: Solve for x
    x = 1,049,272,920,329.09/1,131,062.36
  6. Step 6: Final answer
    x = 927,687.95

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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.