Home / 1,324,616-1,987,220.16-483,167.72

Finding the Fourth Proportional to 1,324,616, 1,987,220.16 and 483,167.72

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Solution

The fourth proportional to 1,324,616, 1,987,220.16 and 483,167.72 is: 724,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,616 : 1,987,220.16 = 483,167.72 : x
  2. Step 2: Convert to fraction form
    1,324,616/1,987,220.16 = 483,167.72/x
  3. Step 3: Cross multiply
    1,324,616x = 1,987,220.16 × 483,167.72
  4. Step 4: Simplify right side
    1,324,616x = 960,160,633,845.24
  5. Step 5: Solve for x
    x = 960,160,633,845.24/1,324,616
  6. Step 6: Final answer
    x = 724,859.61

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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.