Home / 1,102,857.56-1,654,618.56-392,793.20

Finding the Fourth Proportional to 1,102,857.56, 1,654,618.56 and 392,793.20

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Solution

The fourth proportional to 1,102,857.56, 1,654,618.56 and 392,793.20 is: 589,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,857.56 : 1,654,618.56 = 392,793.20 : x
  2. Step 2: Convert to fraction form
    1,102,857.56/1,654,618.56 = 392,793.20/x
  3. Step 3: Cross multiply
    1,102,857.56x = 1,654,618.56 × 392,793.20
  4. Step 4: Simplify right side
    1,102,857.56x = 649,922,918,961.79
  5. Step 5: Solve for x
    x = 649,922,918,961.79/1,102,857.56
  6. Step 6: Final answer
    x = 589,308.12

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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.