Home / 1,381,548.08-2,072,792.66-842,882.76

Finding the Fourth Proportional to 1,381,548.08, 2,072,792.66 and 842,882.76

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Solution

The fourth proportional to 1,381,548.08, 2,072,792.66 and 842,882.76 is: 1,264,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,548.08 : 2,072,792.66 = 842,882.76 : x
  2. Step 2: Convert to fraction form
    1,381,548.08/2,072,792.66 = 842,882.76/x
  3. Step 3: Cross multiply
    1,381,548.08x = 2,072,792.66 × 842,882.76
  4. Step 4: Simplify right side
    1,381,548.08x = 1,747,121,198,168.54
  5. Step 5: Solve for x
    x = 1,747,121,198,168.54/1,381,548.08
  6. Step 6: Final answer
    x = 1,264,611.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.