Home / 1,296,131.70-1,944,197.55-1,217,399.70

Finding the Fourth Proportional to 1,296,131.70, 1,944,197.55 and 1,217,399.70

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Solution

The fourth proportional to 1,296,131.70, 1,944,197.55 and 1,217,399.70 is: 1,826,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,131.70 : 1,944,197.55 = 1,217,399.70 : x
  2. Step 2: Convert to fraction form
    1,296,131.70/1,944,197.55 = 1,217,399.70/x
  3. Step 3: Cross multiply
    1,296,131.70x = 1,944,197.55 × 1,217,399.70
  4. Step 4: Simplify right side
    1,296,131.70x = 2,366,865,514,110.74
  5. Step 5: Solve for x
    x = 2,366,865,514,110.74/1,296,131.70
  6. Step 6: Final answer
    x = 1,826,099.55

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Similar ratio
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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.