Home / 1,394,245.39-2,091,360.79-758,589.86

Finding the Fourth Proportional to 1,394,245.39, 2,091,360.79 and 758,589.86

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Solution

The fourth proportional to 1,394,245.39, 2,091,360.79 and 758,589.86 is: 1,137,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,245.39 : 2,091,360.79 = 758,589.86 : x
  2. Step 2: Convert to fraction form
    1,394,245.39/2,091,360.79 = 758,589.86/x
  3. Step 3: Cross multiply
    1,394,245.39x = 2,091,360.79 × 758,589.86
  4. Step 4: Simplify right side
    1,394,245.39x = 1,586,485,085,289.07
  5. Step 5: Solve for x
    x = 1,586,485,085,289.07/1,394,245.39
  6. Step 6: Final answer
    x = 1,137,880.82

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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.