Home / 1,206,627.20-1,809,811.20-320,163.20

Finding the Fourth Proportional to 1,206,627.20, 1,809,811.20 and 320,163.20

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Solution

The fourth proportional to 1,206,627.20, 1,809,811.20 and 320,163.20 is: 480,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,627.20 : 1,809,811.20 = 320,163.20 : x
  2. Step 2: Convert to fraction form
    1,206,627.20/1,809,811.20 = 320,163.20/x
  3. Step 3: Cross multiply
    1,206,627.20x = 1,809,811.20 × 320,163.20
  4. Step 4: Simplify right side
    1,206,627.20x = 579,434,945,187.84
  5. Step 5: Solve for x
    x = 579,434,945,187.84/1,206,627.20
  6. Step 6: Final answer
    x = 480,210.41

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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.