Home / 1,698,379.44-2,342,768.24-1,086,308.88

Finding the Fourth Proportional to 1,698,379.44, 2,342,768.24 and 1,086,308.88

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Solution

The fourth proportional to 1,698,379.44, 2,342,768.24 and 1,086,308.88 is: 1,498,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,379.44 : 2,342,768.24 = 1,086,308.88 : x
  2. Step 2: Convert to fraction form
    1,698,379.44/2,342,768.24 = 1,086,308.88/x
  3. Step 3: Cross multiply
    1,698,379.44x = 2,342,768.24 × 1,086,308.88
  4. Step 4: Simplify right side
    1,698,379.44x = 2,544,969,942,893.97
  5. Step 5: Solve for x
    x = 2,544,969,942,893.97/1,698,379.44
  6. Step 6: Final answer
    x = 1,498,469.59

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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.