Home / 1,815,234.72-2,722,827.15-617,991.95

Finding the Fourth Proportional to 1,815,234.72, 2,722,827.15 and 617,991.95

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Solution

The fourth proportional to 1,815,234.72, 2,722,827.15 and 617,991.95 is: 926,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,234.72 : 2,722,827.15 = 617,991.95 : x
  2. Step 2: Convert to fraction form
    1,815,234.72/2,722,827.15 = 617,991.95/x
  3. Step 3: Cross multiply
    1,815,234.72x = 2,722,827.15 × 617,991.95
  4. Step 4: Simplify right side
    1,815,234.72x = 1,682,685,246,327.31
  5. Step 5: Solve for x
    x = 1,682,685,246,327.31/1,815,234.72
  6. Step 6: Final answer
    x = 926,979.43

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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.