Home / 1,112,456.43-1,668,733.17-544,315.90

Finding the Fourth Proportional to 1,112,456.43, 1,668,733.17 and 544,315.90

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Solution

The fourth proportional to 1,112,456.43, 1,668,733.17 and 544,315.90 is: 816,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,456.43 : 1,668,733.17 = 544,315.90 : x
  2. Step 2: Convert to fraction form
    1,112,456.43/1,668,733.17 = 544,315.90/x
  3. Step 3: Cross multiply
    1,112,456.43x = 1,668,733.17 × 544,315.90
  4. Step 4: Simplify right side
    1,112,456.43x = 908,317,995,735.15
  5. Step 5: Solve for x
    x = 908,317,995,735.15/1,112,456.43
  6. Step 6: Final answer
    x = 816,497.59

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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.