Home / 1,145,463.20-1,718,194.80-725,213.60

Finding the Fourth Proportional to 1,145,463.20, 1,718,194.80 and 725,213.60

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Solution

The fourth proportional to 1,145,463.20, 1,718,194.80 and 725,213.60 is: 1,087,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,463.20 : 1,718,194.80 = 725,213.60 : x
  2. Step 2: Convert to fraction form
    1,145,463.20/1,718,194.80 = 725,213.60/x
  3. Step 3: Cross multiply
    1,145,463.20x = 1,718,194.80 × 725,213.60
  4. Step 4: Simplify right side
    1,145,463.20x = 1,246,058,236,409.28
  5. Step 5: Solve for x
    x = 1,246,058,236,409.28/1,145,463.20
  6. Step 6: Final answer
    x = 1,087,820.40

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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.