Home / 1,589,680.56-2,192,648.76-1,079,497.20

Finding the Fourth Proportional to 1,589,680.56, 2,192,648.76 and 1,079,497.20

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Solution

The fourth proportional to 1,589,680.56, 2,192,648.76 and 1,079,497.20 is: 1,488,952.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,680.56 : 2,192,648.76 = 1,079,497.20 : x
  2. Step 2: Convert to fraction form
    1,589,680.56/2,192,648.76 = 1,079,497.20/x
  3. Step 3: Cross multiply
    1,589,680.56x = 2,192,648.76 × 1,079,497.20
  4. Step 4: Simplify right side
    1,589,680.56x = 2,366,958,197,003.47
  5. Step 5: Solve for x
    x = 2,366,958,197,003.47/1,589,680.56
  6. Step 6: Final answer
    x = 1,488,952.09

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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.