Home / 1,200,868.70-1,802,287.20-1,161,502.70

Finding the Fourth Proportional to 1,200,868.70, 1,802,287.20 and 1,161,502.70

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Solution

The fourth proportional to 1,200,868.70, 1,802,287.20 and 1,161,502.70 is: 1,743,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,868.70 : 1,802,287.20 = 1,161,502.70 : x
  2. Step 2: Convert to fraction form
    1,200,868.70/1,802,287.20 = 1,161,502.70/x
  3. Step 3: Cross multiply
    1,200,868.70x = 1,802,287.20 × 1,161,502.70
  4. Step 4: Simplify right side
    1,200,868.70x = 2,093,361,448,975.44
  5. Step 5: Solve for x
    x = 2,093,361,448,975.44/1,200,868.70
  6. Step 6: Final answer
    x = 1,743,205.94

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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.