Home / 1,409,451.92-1,944,997.80-789,257.60

Finding the Fourth Proportional to 1,409,451.92, 1,944,997.80 and 789,257.60

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Solution

The fourth proportional to 1,409,451.92, 1,944,997.80 and 789,257.60 is: 1,089,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,451.92 : 1,944,997.80 = 789,257.60 : x
  2. Step 2: Convert to fraction form
    1,409,451.92/1,944,997.80 = 789,257.60/x
  3. Step 3: Cross multiply
    1,409,451.92x = 1,944,997.80 × 789,257.60
  4. Step 4: Simplify right side
    1,409,451.92x = 1,535,104,295,633.28
  5. Step 5: Solve for x
    x = 1,535,104,295,633.28/1,409,451.92
  6. Step 6: Final answer
    x = 1,089,149.81

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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.