Home / 1,086,461.20-1,632,149.40-754,685.20

Finding the Fourth Proportional to 1,086,461.20, 1,632,149.40 and 754,685.20

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Solution

The fourth proportional to 1,086,461.20, 1,632,149.40 and 754,685.20 is: 1,133,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,461.20 : 1,632,149.40 = 754,685.20 : x
  2. Step 2: Convert to fraction form
    1,086,461.20/1,632,149.40 = 754,685.20/x
  3. Step 3: Cross multiply
    1,086,461.20x = 1,632,149.40 × 754,685.20
  4. Step 4: Simplify right side
    1,086,461.20x = 1,231,758,996,368.88
  5. Step 5: Solve for x
    x = 1,231,758,996,368.88/1,086,461.20
  6. Step 6: Final answer
    x = 1,133,734.92

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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.