Home / 1,206,605.20-1,809,778.20-320,141.20

Finding the Fourth Proportional to 1,206,605.20, 1,809,778.20 and 320,141.20

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Solution

The fourth proportional to 1,206,605.20, 1,809,778.20 and 320,141.20 is: 480,177.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,605.20 : 1,809,778.20 = 320,141.20 : x
  2. Step 2: Convert to fraction form
    1,206,605.20/1,809,778.20 = 320,141.20/x
  3. Step 3: Cross multiply
    1,206,605.20x = 1,809,778.20 × 320,141.20
  4. Step 4: Simplify right side
    1,206,605.20x = 579,384,564,681.84
  5. Step 5: Solve for x
    x = 579,384,564,681.84/1,206,605.20
  6. Step 6: Final answer
    x = 480,177.41

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1.5x scale

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.