Home / 1,391,356.80-2,087,483.52-633,469.44

Finding the Fourth Proportional to 1,391,356.80, 2,087,483.52 and 633,469.44

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Solution

The fourth proportional to 1,391,356.80, 2,087,483.52 and 633,469.44 is: 950,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,356.80 : 2,087,483.52 = 633,469.44 : x
  2. Step 2: Convert to fraction form
    1,391,356.80/2,087,483.52 = 633,469.44/x
  3. Step 3: Cross multiply
    1,391,356.80x = 2,087,483.52 × 633,469.44
  4. Step 4: Simplify right side
    1,391,356.80x = 1,322,357,016,423.63
  5. Step 5: Solve for x
    x = 1,322,357,016,423.63/1,391,356.80
  6. Step 6: Final answer
    x = 950,408.28

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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.