Home / 1,381,339.72-1,906,252.16-800,675.04

Finding the Fourth Proportional to 1,381,339.72, 1,906,252.16 and 800,675.04

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Solution

The fourth proportional to 1,381,339.72, 1,906,252.16 and 800,675.04 is: 1,104,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,339.72 : 1,906,252.16 = 800,675.04 : x
  2. Step 2: Convert to fraction form
    1,381,339.72/1,906,252.16 = 800,675.04/x
  3. Step 3: Cross multiply
    1,381,339.72x = 1,906,252.16 × 800,675.04
  4. Step 4: Simplify right side
    1,381,339.72x = 1,526,288,524,458.09
  5. Step 5: Solve for x
    x = 1,526,288,524,458.09/1,381,339.72
  6. Step 6: Final answer
    x = 1,104,933.49

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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.