Home / 1,206,475.20-1,809,583.20-320,011.20

Finding the Fourth Proportional to 1,206,475.20, 1,809,583.20 and 320,011.20

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Solution

The fourth proportional to 1,206,475.20, 1,809,583.20 and 320,011.20 is: 479,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,475.20 : 1,809,583.20 = 320,011.20 : x
  2. Step 2: Convert to fraction form
    1,206,475.20/1,809,583.20 = 320,011.20/x
  3. Step 3: Cross multiply
    1,206,475.20x = 1,809,583.20 × 320,011.20
  4. Step 4: Simplify right side
    1,206,475.20x = 579,086,891,331.84
  5. Step 5: Solve for x
    x = 579,086,891,331.84/1,206,475.20
  6. Step 6: Final answer
    x = 479,982.42

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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.