Home / 1,188,928.36-1,784,004.06-789,844.84

Finding the Fourth Proportional to 1,188,928.36, 1,784,004.06 and 789,844.84

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Solution

The fourth proportional to 1,188,928.36, 1,784,004.06 and 789,844.84 is: 1,185,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,928.36 : 1,784,004.06 = 789,844.84 : x
  2. Step 2: Convert to fraction form
    1,188,928.36/1,784,004.06 = 789,844.84/x
  3. Step 3: Cross multiply
    1,188,928.36x = 1,784,004.06 × 789,844.84
  4. Step 4: Simplify right side
    1,188,928.36x = 1,409,086,401,330.05
  5. Step 5: Solve for x
    x = 1,409,086,401,330.05/1,188,928.36
  6. Step 6: Final answer
    x = 1,185,173.51

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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.