Home / 1,187,961.82-1,777,685.85-1,028,587.54

Finding the Fourth Proportional to 1,187,961.82, 1,777,685.85 and 1,028,587.54

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Solution

The fourth proportional to 1,187,961.82, 1,777,685.85 and 1,028,587.54 is: 1,539,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,961.82 : 1,777,685.85 = 1,028,587.54 : x
  2. Step 2: Convert to fraction form
    1,187,961.82/1,777,685.85 = 1,028,587.54/x
  3. Step 3: Cross multiply
    1,187,961.82x = 1,777,685.85 × 1,028,587.54
  4. Step 4: Simplify right side
    1,187,961.82x = 1,828,505,515,344.31
  5. Step 5: Solve for x
    x = 1,828,505,515,344.31/1,187,961.82
  6. Step 6: Final answer
    x = 1,539,195.52

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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.