Home / 1,369,229.26-1,889,513.07-757,381.54

Finding the Fourth Proportional to 1,369,229.26, 1,889,513.07 and 757,381.54

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Solution

The fourth proportional to 1,369,229.26, 1,889,513.07 and 757,381.54 is: 1,045,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,229.26 : 1,889,513.07 = 757,381.54 : x
  2. Step 2: Convert to fraction form
    1,369,229.26/1,889,513.07 = 757,381.54/x
  3. Step 3: Cross multiply
    1,369,229.26x = 1,889,513.07 × 757,381.54
  4. Step 4: Simplify right side
    1,369,229.26x = 1,431,082,318,806.73
  5. Step 5: Solve for x
    x = 1,431,082,318,806.73/1,369,229.26
  6. Step 6: Final answer
    x = 1,045,173.63

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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.