Home / 1,218,104.52-1,680,942.08-674,264.04

Finding the Fourth Proportional to 1,218,104.52, 1,680,942.08 and 674,264.04

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Solution

The fourth proportional to 1,218,104.52, 1,680,942.08 and 674,264.04 is: 930,461.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,104.52 : 1,680,942.08 = 674,264.04 : x
  2. Step 2: Convert to fraction form
    1,218,104.52/1,680,942.08 = 674,264.04/x
  3. Step 3: Cross multiply
    1,218,104.52x = 1,680,942.08 × 674,264.04
  4. Step 4: Simplify right side
    1,218,104.52x = 1,133,398,797,866.80
  5. Step 5: Solve for x
    x = 1,133,398,797,866.80/1,218,104.52
  6. Step 6: Final answer
    x = 930,461.04

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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.