Home / 1,218,105.52-1,680,943.46-674,265.04

Finding the Fourth Proportional to 1,218,105.52, 1,680,943.46 and 674,265.04

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Solution

The fourth proportional to 1,218,105.52, 1,680,943.46 and 674,265.04 is: 930,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,105.52 : 1,680,943.46 = 674,265.04 : x
  2. Step 2: Convert to fraction form
    1,218,105.52/1,680,943.46 = 674,265.04/x
  3. Step 3: Cross multiply
    1,218,105.52x = 1,680,943.46 × 674,265.04
  4. Step 4: Simplify right side
    1,218,105.52x = 1,133,401,409,294.64
  5. Step 5: Solve for x
    x = 1,133,401,409,294.64/1,218,105.52
  6. Step 6: Final answer
    x = 930,462.42

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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.