Home / 1,187,757.60-1,782,027.36-789,963.36

Finding the Fourth Proportional to 1,187,757.60, 1,782,027.36 and 789,963.36

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Solution

The fourth proportional to 1,187,757.60, 1,782,027.36 and 789,963.36 is: 1,185,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,757.60 : 1,782,027.36 = 789,963.36 : x
  2. Step 2: Convert to fraction form
    1,187,757.60/1,782,027.36 = 789,963.36/x
  3. Step 3: Cross multiply
    1,187,757.60x = 1,782,027.36 × 789,963.36
  4. Step 4: Simplify right side
    1,187,757.60x = 1,407,736,320,917.53
  5. Step 5: Solve for x
    x = 1,407,736,320,917.53/1,187,757.60
  6. Step 6: Final answer
    x = 1,185,205.06

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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.