Home / 1,513,282.20-2,270,806.50-839,928.60

Finding the Fourth Proportional to 1,513,282.20, 2,270,806.50 and 839,928.60

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Solution

The fourth proportional to 1,513,282.20, 2,270,806.50 and 839,928.60 is: 1,260,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,282.20 : 2,270,806.50 = 839,928.60 : x
  2. Step 2: Convert to fraction form
    1,513,282.20/2,270,806.50 = 839,928.60/x
  3. Step 3: Cross multiply
    1,513,282.20x = 2,270,806.50 × 839,928.60
  4. Step 4: Simplify right side
    1,513,282.20x = 1,907,315,324,415.90
  5. Step 5: Solve for x
    x = 1,907,315,324,415.90/1,513,282.20
  6. Step 6: Final answer
    x = 1,260,383.11

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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.