Home / 1,990,867.26-2,986,311.82-494,959.26

Finding the Fourth Proportional to 1,990,867.26, 2,986,311.82 and 494,959.26

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Solution

The fourth proportional to 1,990,867.26, 2,986,311.82 and 494,959.26 is: 742,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,867.26 : 2,986,311.82 = 494,959.26 : x
  2. Step 2: Convert to fraction form
    1,990,867.26/2,986,311.82 = 494,959.26/x
  3. Step 3: Cross multiply
    1,990,867.26x = 2,986,311.82 × 494,959.26
  4. Step 4: Simplify right side
    1,990,867.26x = 1,478,102,688,556.45
  5. Step 5: Solve for x
    x = 1,478,102,688,556.45/1,990,867.26
  6. Step 6: Final answer
    x = 742,441.61

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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.