Home / 1,085,967.28-1,629,184.96-327,745.28

Finding the Fourth Proportional to 1,085,967.28, 1,629,184.96 and 327,745.28

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Solution

The fourth proportional to 1,085,967.28, 1,629,184.96 and 327,745.28 is: 491,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,967.28 : 1,629,184.96 = 327,745.28 : x
  2. Step 2: Convert to fraction form
    1,085,967.28/1,629,184.96 = 327,745.28/x
  3. Step 3: Cross multiply
    1,085,967.28x = 1,629,184.96 × 327,745.28
  4. Step 4: Simplify right side
    1,085,967.28x = 533,957,680,886.99
  5. Step 5: Solve for x
    x = 533,957,680,886.99/1,085,967.28
  6. Step 6: Final answer
    x = 491,688.55

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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.