Home / 1,102,542.70-1,654,008.45-392,982.70

Finding the Fourth Proportional to 1,102,542.70, 1,654,008.45 and 392,982.70

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Solution

The fourth proportional to 1,102,542.70, 1,654,008.45 and 392,982.70 is: 589,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,542.70 : 1,654,008.45 = 392,982.70 : x
  2. Step 2: Convert to fraction form
    1,102,542.70/1,654,008.45 = 392,982.70/x
  3. Step 3: Cross multiply
    1,102,542.70x = 1,654,008.45 × 392,982.70
  4. Step 4: Simplify right side
    1,102,542.70x = 649,996,706,503.82
  5. Step 5: Solve for x
    x = 649,996,706,503.82/1,102,542.70
  6. Step 6: Final answer
    x = 589,543.34

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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.