Home / 1,206,131.20-1,809,196.80-926,195.20

Finding the Fourth Proportional to 1,206,131.20, 1,809,196.80 and 926,195.20

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Solution

The fourth proportional to 1,206,131.20, 1,809,196.80 and 926,195.20 is: 1,389,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,131.20 : 1,809,196.80 = 926,195.20 : x
  2. Step 2: Convert to fraction form
    1,206,131.20/1,809,196.80 = 926,195.20/x
  3. Step 3: Cross multiply
    1,206,131.20x = 1,809,196.80 × 926,195.20
  4. Step 4: Simplify right side
    1,206,131.20x = 1,675,669,392,015.36
  5. Step 5: Solve for x
    x = 1,675,669,392,015.36/1,206,131.20
  6. Step 6: Final answer
    x = 1,389,292.80

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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.