Home / 1,218,065.14-1,680,876.97-674,168.47

Finding the Fourth Proportional to 1,218,065.14, 1,680,876.97 and 674,168.47

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Solution

The fourth proportional to 1,218,065.14, 1,680,876.97 and 674,168.47 is: 930,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,065.14 : 1,680,876.97 = 674,168.47 : x
  2. Step 2: Convert to fraction form
    1,218,065.14/1,680,876.97 = 674,168.47/x
  3. Step 3: Cross multiply
    1,218,065.14x = 1,680,876.97 × 674,168.47
  4. Step 4: Simplify right side
    1,218,065.14x = 1,133,194,249,235.52
  5. Step 5: Solve for x
    x = 1,133,194,249,235.52/1,218,065.14
  6. Step 6: Final answer
    x = 930,323.19

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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.