Home / 1,725,615.68-2,380,648.20-1,145,112.56

Finding the Fourth Proportional to 1,725,615.68, 2,380,648.20 and 1,145,112.56

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Solution

The fourth proportional to 1,725,615.68, 2,380,648.20 and 1,145,112.56 is: 1,579,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,615.68 : 2,380,648.20 = 1,145,112.56 : x
  2. Step 2: Convert to fraction form
    1,725,615.68/2,380,648.20 = 1,145,112.56/x
  3. Step 3: Cross multiply
    1,725,615.68x = 2,380,648.20 × 1,145,112.56
  4. Step 4: Simplify right side
    1,725,615.68x = 2,726,110,154,761.39
  5. Step 5: Solve for x
    x = 2,726,110,154,761.39/1,725,615.68
  6. Step 6: Final answer
    x = 1,579,789.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.