Home / 1,218,998.80-1,825,387.80-970,166.80

Finding the Fourth Proportional to 1,218,998.80, 1,825,387.80 and 970,166.80

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Solution

The fourth proportional to 1,218,998.80, 1,825,387.80 and 970,166.80 is: 1,452,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,998.80 : 1,825,387.80 = 970,166.80 : x
  2. Step 2: Convert to fraction form
    1,218,998.80/1,825,387.80 = 970,166.80/x
  3. Step 3: Cross multiply
    1,218,998.80x = 1,825,387.80 × 970,166.80
  4. Step 4: Simplify right side
    1,218,998.80x = 1,770,930,640,685.04
  5. Step 5: Solve for x
    x = 1,770,930,640,685.04/1,218,998.80
  6. Step 6: Final answer
    x = 1,452,774.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.