Home / 1,320,806.20-1,981,209.30-848,414.20

Finding the Fourth Proportional to 1,320,806.20, 1,981,209.30 and 848,414.20

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Solution

The fourth proportional to 1,320,806.20, 1,981,209.30 and 848,414.20 is: 1,272,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,806.20 : 1,981,209.30 = 848,414.20 : x
  2. Step 2: Convert to fraction form
    1,320,806.20/1,981,209.30 = 848,414.20/x
  3. Step 3: Cross multiply
    1,320,806.20x = 1,981,209.30 × 848,414.20
  4. Step 4: Simplify right side
    1,320,806.20x = 1,680,886,103,292.06
  5. Step 5: Solve for x
    x = 1,680,886,103,292.06/1,320,806.20
  6. Step 6: Final answer
    x = 1,272,621.30

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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.