Home / 1,335,122.64-2,002,662.09-324,252.90

Finding the Fourth Proportional to 1,335,122.64, 2,002,662.09 and 324,252.90

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Solution

The fourth proportional to 1,335,122.64, 2,002,662.09 and 324,252.90 is: 486,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,122.64 : 2,002,662.09 = 324,252.90 : x
  2. Step 2: Convert to fraction form
    1,335,122.64/2,002,662.09 = 324,252.90/x
  3. Step 3: Cross multiply
    1,335,122.64x = 2,002,662.09 × 324,252.90
  4. Step 4: Simplify right side
    1,335,122.64x = 649,368,990,402.56
  5. Step 5: Solve for x
    x = 649,368,990,402.56/1,335,122.64
  6. Step 6: Final answer
    x = 486,374.04

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1.5x scale

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.