Home / 1,272,593.42-1,756,745.03-756,514.38

Finding the Fourth Proportional to 1,272,593.42, 1,756,745.03 and 756,514.38

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Solution

The fourth proportional to 1,272,593.42, 1,756,745.03 and 756,514.38 is: 1,044,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,593.42 : 1,756,745.03 = 756,514.38 : x
  2. Step 2: Convert to fraction form
    1,272,593.42/1,756,745.03 = 756,514.38/x
  3. Step 3: Cross multiply
    1,272,593.42x = 1,756,745.03 × 756,514.38
  4. Step 4: Simplify right side
    1,272,593.42x = 1,329,002,873,405.96
  5. Step 5: Solve for x
    x = 1,329,002,873,405.96/1,272,593.42
  6. Step 6: Final answer
    x = 1,044,326.38

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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.