Home / 1,381,436.30-1,906,353.30-769,588.22

Finding the Fourth Proportional to 1,381,436.30, 1,906,353.30 and 769,588.22

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Solution

The fourth proportional to 1,381,436.30, 1,906,353.30 and 769,588.22 is: 1,062,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,436.30 : 1,906,353.30 = 769,588.22 : x
  2. Step 2: Convert to fraction form
    1,381,436.30/1,906,353.30 = 769,588.22/x
  3. Step 3: Cross multiply
    1,381,436.30x = 1,906,353.30 × 769,588.22
  4. Step 4: Simplify right side
    1,381,436.30x = 1,467,107,042,838.13
  5. Step 5: Solve for x
    x = 1,467,107,042,838.13/1,381,436.30
  6. Step 6: Final answer
    x = 1,062,015.70

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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.