Home / 1,218,061.68-1,680,882.21-674,198.52

Finding the Fourth Proportional to 1,218,061.68, 1,680,882.21 and 674,198.52

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Solution

The fourth proportional to 1,218,061.68, 1,680,882.21 and 674,198.52 is: 930,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,061.68 : 1,680,882.21 = 674,198.52 : x
  2. Step 2: Convert to fraction form
    1,218,061.68/1,680,882.21 = 674,198.52/x
  3. Step 3: Cross multiply
    1,218,061.68x = 1,680,882.21 × 674,198.52
  4. Step 4: Simplify right side
    1,218,061.68x = 1,133,248,298,276.33
  5. Step 5: Solve for x
    x = 1,133,248,298,276.33/1,218,061.68
  6. Step 6: Final answer
    x = 930,370.21

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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.