Home / 1,286,399.98-1,775,205.50-796,239.51

Finding the Fourth Proportional to 1,286,399.98, 1,775,205.50 and 796,239.51

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Solution

The fourth proportional to 1,286,399.98, 1,775,205.50 and 796,239.51 is: 1,098,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,399.98 : 1,775,205.50 = 796,239.51 : x
  2. Step 2: Convert to fraction form
    1,286,399.98/1,775,205.50 = 796,239.51/x
  3. Step 3: Cross multiply
    1,286,399.98x = 1,775,205.50 × 796,239.51
  4. Step 4: Simplify right side
    1,286,399.98x = 1,413,488,757,469.31
  5. Step 5: Solve for x
    x = 1,413,488,757,469.31/1,286,399.98
  6. Step 6: Final answer
    x = 1,098,794.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.