Home / 1,206,763.20-1,809,610.20-407,827.80

Finding the Fourth Proportional to 1,206,763.20, 1,809,610.20 and 407,827.80

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Solution

The fourth proportional to 1,206,763.20, 1,809,610.20 and 407,827.80 is: 611,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,763.20 : 1,809,610.20 = 407,827.80 : x
  2. Step 2: Convert to fraction form
    1,206,763.20/1,809,610.20 = 407,827.80/x
  3. Step 3: Cross multiply
    1,206,763.20x = 1,809,610.20 × 407,827.80
  4. Step 4: Simplify right side
    1,206,763.20x = 738,009,346,723.56
  5. Step 5: Solve for x
    x = 738,009,346,723.56/1,206,763.20
  6. Step 6: Final answer
    x = 611,561.03

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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.