Home / 1,431,399.27-1,974,672.64-1,268,222.25

Finding the Fourth Proportional to 1,431,399.27, 1,974,672.64 and 1,268,222.25

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Solution

The fourth proportional to 1,431,399.27, 1,974,672.64 and 1,268,222.25 is: 1,749,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,399.27 : 1,974,672.64 = 1,268,222.25 : x
  2. Step 2: Convert to fraction form
    1,431,399.27/1,974,672.64 = 1,268,222.25/x
  3. Step 3: Cross multiply
    1,431,399.27x = 1,974,672.64 × 1,268,222.25
  4. Step 4: Simplify right side
    1,431,399.27x = 2,504,323,787,504.54
  5. Step 5: Solve for x
    x = 2,504,323,787,504.54/1,431,399.27
  6. Step 6: Final answer
    x = 1,749,563.41

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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.