Home / 1,725,321.87-2,380,912.29-940,394.55

Finding the Fourth Proportional to 1,725,321.87, 2,380,912.29 and 940,394.55

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Solution

The fourth proportional to 1,725,321.87, 2,380,912.29 and 940,394.55 is: 1,297,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,321.87 : 2,380,912.29 = 940,394.55 : x
  2. Step 2: Convert to fraction form
    1,725,321.87/2,380,912.29 = 940,394.55/x
  3. Step 3: Cross multiply
    1,725,321.87x = 2,380,912.29 × 940,394.55
  4. Step 4: Simplify right side
    1,725,321.87x = 2,238,996,941,544.02
  5. Step 5: Solve for x
    x = 2,238,996,941,544.02/1,725,321.87
  6. Step 6: Final answer
    x = 1,297,727.10

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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.