Home / 1,687,757.56-2,528,244.06-787,957.72

Finding the Fourth Proportional to 1,687,757.56, 2,528,244.06 and 787,957.72

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Solution

The fourth proportional to 1,687,757.56, 2,528,244.06 and 787,957.72 is: 1,180,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,757.56 : 2,528,244.06 = 787,957.72 : x
  2. Step 2: Convert to fraction form
    1,687,757.56/2,528,244.06 = 787,957.72/x
  3. Step 3: Cross multiply
    1,687,757.56x = 2,528,244.06 × 787,957.72
  4. Step 4: Simplify right side
    1,687,757.56x = 1,992,149,425,121.14
  5. Step 5: Solve for x
    x = 1,992,149,425,121.14/1,687,757.56
  6. Step 6: Final answer
    x = 1,180,352.84

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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.