Home / 1,395,069.40-2,092,072.92-826,610.92

Finding the Fourth Proportional to 1,395,069.40, 2,092,072.92 and 826,610.92

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Solution

The fourth proportional to 1,395,069.40, 2,092,072.92 and 826,610.92 is: 1,239,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,069.40 : 2,092,072.92 = 826,610.92 : x
  2. Step 2: Convert to fraction form
    1,395,069.40/2,092,072.92 = 826,610.92/x
  3. Step 3: Cross multiply
    1,395,069.40x = 2,092,072.92 × 826,610.92
  4. Step 4: Simplify right side
    1,395,069.40x = 1,729,330,321,108.29
  5. Step 5: Solve for x
    x = 1,729,330,321,108.29/1,395,069.40
  6. Step 6: Final answer
    x = 1,239,601.64

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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.