Home / 1,073,861.11-1,607,286.75-789,476.39

Finding the Fourth Proportional to 1,073,861.11, 1,607,286.75 and 789,476.39

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Solution

The fourth proportional to 1,073,861.11, 1,607,286.75 and 789,476.39 is: 1,181,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,861.11 : 1,607,286.75 = 789,476.39 : x
  2. Step 2: Convert to fraction form
    1,073,861.11/1,607,286.75 = 789,476.39/x
  3. Step 3: Cross multiply
    1,073,861.11x = 1,607,286.75 × 789,476.39
  4. Step 4: Simplify right side
    1,073,861.11x = 1,268,914,941,084.83
  5. Step 5: Solve for x
    x = 1,268,914,941,084.83/1,073,861.11
  6. Step 6: Final answer
    x = 1,181,637.86

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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.