Home / 866,442.80-1,299,664.20-729,585.20

Finding the Fourth Proportional to 866,442.80, 1,299,664.20 and 729,585.20

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Solution

The fourth proportional to 866,442.80, 1,299,664.20 and 729,585.20 is: 1,094,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,442.80 : 1,299,664.20 = 729,585.20 : x
  2. Step 2: Convert to fraction form
    866,442.80/1,299,664.20 = 729,585.20/x
  3. Step 3: Cross multiply
    866,442.80x = 1,299,664.20 × 729,585.20
  4. Step 4: Simplify right side
    866,442.80x = 948,215,765,289.84
  5. Step 5: Solve for x
    x = 948,215,765,289.84/866,442.80
  6. Step 6: Final answer
    x = 1,094,377.80

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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.