Home / 1,775,372.94-2,663,078.85-513,211.50

Finding the Fourth Proportional to 1,775,372.94, 2,663,078.85 and 513,211.50

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Solution

The fourth proportional to 1,775,372.94, 2,663,078.85 and 513,211.50 is: 769,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,372.94 : 2,663,078.85 = 513,211.50 : x
  2. Step 2: Convert to fraction form
    1,775,372.94/2,663,078.85 = 513,211.50/x
  3. Step 3: Cross multiply
    1,775,372.94x = 2,663,078.85 × 513,211.50
  4. Step 4: Simplify right side
    1,775,372.94x = 1,366,722,691,226.78
  5. Step 5: Solve for x
    x = 1,366,722,691,226.78/1,775,372.94
  6. Step 6: Final answer
    x = 769,822.87

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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.