Home / 1,330,806-1,996,781.04-432,523.20

Finding the Fourth Proportional to 1,330,806, 1,996,781.04 and 432,523.20

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Solution

The fourth proportional to 1,330,806, 1,996,781.04 and 432,523.20 is: 648,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,806 : 1,996,781.04 = 432,523.20 : x
  2. Step 2: Convert to fraction form
    1,330,806/1,996,781.04 = 432,523.20/x
  3. Step 3: Cross multiply
    1,330,806x = 1,996,781.04 × 432,523.20
  4. Step 4: Simplify right side
    1,330,806x = 863,654,125,120.13
  5. Step 5: Solve for x
    x = 863,654,125,120.13/1,330,806
  6. Step 6: Final answer
    x = 648,970.72

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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.