Home / 1,395,120-2,092,148.64-826,661.46

Finding the Fourth Proportional to 1,395,120, 2,092,148.64 and 826,661.46

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Solution

The fourth proportional to 1,395,120, 2,092,148.64 and 826,661.46 is: 1,239,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,120 : 2,092,148.64 = 826,661.46 : x
  2. Step 2: Convert to fraction form
    1,395,120/2,092,148.64 = 826,661.46/x
  3. Step 3: Cross multiply
    1,395,120x = 2,092,148.64 × 826,661.46
  4. Step 4: Simplify right side
    1,395,120x = 1,729,498,649,279.41
  5. Step 5: Solve for x
    x = 1,729,498,649,279.41/1,395,120
  6. Step 6: Final answer
    x = 1,239,677.34

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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.