Home / 1,218,165.27-1,681,082.87-674,351.31

Finding the Fourth Proportional to 1,218,165.27, 1,681,082.87 and 674,351.31

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Solution

The fourth proportional to 1,218,165.27, 1,681,082.87 and 674,351.31 is: 930,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,165.27 : 1,681,082.87 = 674,351.31 : x
  2. Step 2: Convert to fraction form
    1,218,165.27/1,681,082.87 = 674,351.31/x
  3. Step 3: Cross multiply
    1,218,165.27x = 1,681,082.87 × 674,351.31
  4. Step 4: Simplify right side
    1,218,165.27x = 1,133,640,435,603.06
  5. Step 5: Solve for x
    x = 1,133,640,435,603.06/1,218,165.27
  6. Step 6: Final answer
    x = 930,613.00

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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.