Home / 1,085,369.18-1,628,288.88-327,147.22

Finding the Fourth Proportional to 1,085,369.18, 1,628,288.88 and 327,147.22

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Solution

The fourth proportional to 1,085,369.18, 1,628,288.88 and 327,147.22 is: 490,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,369.18 : 1,628,288.88 = 327,147.22 : x
  2. Step 2: Convert to fraction form
    1,085,369.18/1,628,288.88 = 327,147.22/x
  3. Step 3: Cross multiply
    1,085,369.18x = 1,628,288.88 × 327,147.22
  4. Step 4: Simplify right side
    1,085,369.18x = 532,690,180,448.91
  5. Step 5: Solve for x
    x = 532,690,180,448.91/1,085,369.18
  6. Step 6: Final answer
    x = 490,791.70

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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.