Home / 1,381,340.72-1,906,253.54-800,676.04

Finding the Fourth Proportional to 1,381,340.72, 1,906,253.54 and 800,676.04

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Solution

The fourth proportional to 1,381,340.72, 1,906,253.54 and 800,676.04 is: 1,104,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,340.72 : 1,906,253.54 = 800,676.04 : x
  2. Step 2: Convert to fraction form
    1,381,340.72/1,906,253.54 = 800,676.04/x
  3. Step 3: Cross multiply
    1,381,340.72x = 1,906,253.54 × 800,676.04
  4. Step 4: Simplify right side
    1,381,340.72x = 1,526,291,535,643.18
  5. Step 5: Solve for x
    x = 1,526,291,535,643.18/1,381,340.72
  6. Step 6: Final answer
    x = 1,104,934.87

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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.