Home / 1,079,523.60-1,619,285.19-321,376.15

Finding the Fourth Proportional to 1,079,523.60, 1,619,285.19 and 321,376.15

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Solution

The fourth proportional to 1,079,523.60, 1,619,285.19 and 321,376.15 is: 482,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,523.60 : 1,619,285.19 = 321,376.15 : x
  2. Step 2: Convert to fraction form
    1,079,523.60/1,619,285.19 = 321,376.15/x
  3. Step 3: Cross multiply
    1,079,523.60x = 1,619,285.19 × 321,376.15
  4. Step 4: Simplify right side
    1,079,523.60x = 520,399,640,114.22
  5. Step 5: Solve for x
    x = 520,399,640,114.22/1,079,523.60
  6. Step 6: Final answer
    x = 482,064.16

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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.