Home / 1,285,797.27-1,928,692.05-326,251.02

Finding the Fourth Proportional to 1,285,797.27, 1,928,692.05 and 326,251.02

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Solution

The fourth proportional to 1,285,797.27, 1,928,692.05 and 326,251.02 is: 489,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,797.27 : 1,928,692.05 = 326,251.02 : x
  2. Step 2: Convert to fraction form
    1,285,797.27/1,928,692.05 = 326,251.02/x
  3. Step 3: Cross multiply
    1,285,797.27x = 1,928,692.05 × 326,251.02
  4. Step 4: Simplify right side
    1,285,797.27x = 629,237,748,578.39
  5. Step 5: Solve for x
    x = 629,237,748,578.39/1,285,797.27
  6. Step 6: Final answer
    x = 489,375.55

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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.