Home / 1,211,717.04-1,672,161.15-667,853.13

Finding the Fourth Proportional to 1,211,717.04, 1,672,161.15 and 667,853.13

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Solution

The fourth proportional to 1,211,717.04, 1,672,161.15 and 667,853.13 is: 921,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,717.04 : 1,672,161.15 = 667,853.13 : x
  2. Step 2: Convert to fraction form
    1,211,717.04/1,672,161.15 = 667,853.13/x
  3. Step 3: Cross multiply
    1,211,717.04x = 1,672,161.15 × 667,853.13
  4. Step 4: Simplify right side
    1,211,717.04x = 1,116,758,057,891.90
  5. Step 5: Solve for x
    x = 1,116,758,057,891.90/1,211,717.04
  6. Step 6: Final answer
    x = 921,632.71

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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.