Home / 1,395,074.40-2,092,080.42-826,615.92

Finding the Fourth Proportional to 1,395,074.40, 2,092,080.42 and 826,615.92

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Solution

The fourth proportional to 1,395,074.40, 2,092,080.42 and 826,615.92 is: 1,239,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,074.40 : 2,092,080.42 = 826,615.92 : x
  2. Step 2: Convert to fraction form
    1,395,074.40/2,092,080.42 = 826,615.92/x
  3. Step 3: Cross multiply
    1,395,074.40x = 2,092,080.42 × 826,615.92
  4. Step 4: Simplify right side
    1,395,074.40x = 1,729,346,981,092.29
  5. Step 5: Solve for x
    x = 1,729,346,981,092.29/1,395,074.40
  6. Step 6: Final answer
    x = 1,239,609.14

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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.