Home / 1,378,345.88-2,067,518.84-629,867

Finding the Fourth Proportional to 1,378,345.88, 2,067,518.84 and 629,867

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Solution

The fourth proportional to 1,378,345.88, 2,067,518.84 and 629,867 is: 944,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,345.88 : 2,067,518.84 = 629,867 : x
  2. Step 2: Convert to fraction form
    1,378,345.88/2,067,518.84 = 629,867/x
  3. Step 3: Cross multiply
    1,378,345.88x = 2,067,518.84 × 629,867
  4. Step 4: Simplify right side
    1,378,345.88x = 1,302,261,889,194.28
  5. Step 5: Solve for x
    x = 1,302,261,889,194.28/1,378,345.88
  6. Step 6: Final answer
    x = 944,800.51

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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.