Home / 1,215,073.86-1,677,279.96-801,544.92

Finding the Fourth Proportional to 1,215,073.86, 1,677,279.96 and 801,544.92

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Solution

The fourth proportional to 1,215,073.86, 1,677,279.96 and 801,544.92 is: 1,106,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,073.86 : 1,677,279.96 = 801,544.92 : x
  2. Step 2: Convert to fraction form
    1,215,073.86/1,677,279.96 = 801,544.92/x
  3. Step 3: Cross multiply
    1,215,073.86x = 1,677,279.96 × 801,544.92
  4. Step 4: Simplify right side
    1,215,073.86x = 1,344,415,231,355.80
  5. Step 5: Solve for x
    x = 1,344,415,231,355.80/1,215,073.86
  6. Step 6: Final answer
    x = 1,106,447.33

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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.