Home / 1,079,522.85-1,619,284.06-321,375.40

Finding the Fourth Proportional to 1,079,522.85, 1,619,284.06 and 321,375.40

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Solution

The fourth proportional to 1,079,522.85, 1,619,284.06 and 321,375.40 is: 482,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,522.85 : 1,619,284.06 = 321,375.40 : x
  2. Step 2: Convert to fraction form
    1,079,522.85/1,619,284.06 = 321,375.40/x
  3. Step 3: Cross multiply
    1,079,522.85x = 1,619,284.06 × 321,375.40
  4. Step 4: Simplify right side
    1,079,522.85x = 520,398,062,496.12
  5. Step 5: Solve for x
    x = 520,398,062,496.12/1,079,522.85
  6. Step 6: Final answer
    x = 482,063.04

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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.