Home / 1,378,429.22-2,067,371.22-1,310,073.68

Finding the Fourth Proportional to 1,378,429.22, 2,067,371.22 and 1,310,073.68

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Solution

The fourth proportional to 1,378,429.22, 2,067,371.22 and 1,310,073.68 is: 1,964,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,429.22 : 2,067,371.22 = 1,310,073.68 : x
  2. Step 2: Convert to fraction form
    1,378,429.22/2,067,371.22 = 1,310,073.68/x
  3. Step 3: Cross multiply
    1,378,429.22x = 2,067,371.22 × 1,310,073.68
  4. Step 4: Simplify right side
    1,378,429.22x = 2,708,408,622,111.49
  5. Step 5: Solve for x
    x = 2,708,408,622,111.49/1,378,429.22
  6. Step 6: Final answer
    x = 1,964,851.43

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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.