Home / 1,260,704.32-1,891,072.89-419,256.07

Finding the Fourth Proportional to 1,260,704.32, 1,891,072.89 and 419,256.07

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Solution

The fourth proportional to 1,260,704.32, 1,891,072.89 and 419,256.07 is: 628,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,704.32 : 1,891,072.89 = 419,256.07 : x
  2. Step 2: Convert to fraction form
    1,260,704.32/1,891,072.89 = 419,256.07/x
  3. Step 3: Cross multiply
    1,260,704.32x = 1,891,072.89 × 419,256.07
  4. Step 4: Simplify right side
    1,260,704.32x = 792,843,787,944.94
  5. Step 5: Solve for x
    x = 792,843,787,944.94/1,260,704.32
  6. Step 6: Final answer
    x = 628,889.56

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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.