Home / 1,617,288.60-2,425,932.90-987,432.60

Finding the Fourth Proportional to 1,617,288.60, 2,425,932.90 and 987,432.60

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Solution

The fourth proportional to 1,617,288.60, 2,425,932.90 and 987,432.60 is: 1,481,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,288.60 : 2,425,932.90 = 987,432.60 : x
  2. Step 2: Convert to fraction form
    1,617,288.60/2,425,932.90 = 987,432.60/x
  3. Step 3: Cross multiply
    1,617,288.60x = 2,425,932.90 × 987,432.60
  4. Step 4: Simplify right side
    1,617,288.60x = 2,395,445,230,872.54
  5. Step 5: Solve for x
    x = 2,395,445,230,872.54/1,617,288.60
  6. Step 6: Final answer
    x = 1,481,148.90

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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.