Home / 1,351,716.80-1,865,173.92-748,103.36

Finding the Fourth Proportional to 1,351,716.80, 1,865,173.92 and 748,103.36

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Solution

The fourth proportional to 1,351,716.80, 1,865,173.92 and 748,103.36 is: 1,032,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,716.80 : 1,865,173.92 = 748,103.36 : x
  2. Step 2: Convert to fraction form
    1,351,716.80/1,865,173.92 = 748,103.36/x
  3. Step 3: Cross multiply
    1,351,716.80x = 1,865,173.92 × 748,103.36
  4. Step 4: Simplify right side
    1,351,716.80x = 1,395,342,876,536.37
  5. Step 5: Solve for x
    x = 1,395,342,876,536.37/1,351,716.80
  6. Step 6: Final answer
    x = 1,032,274.57

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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.