Home / 1,707,380.80-2,561,200.80-509,209.60

Finding the Fourth Proportional to 1,707,380.80, 2,561,200.80 and 509,209.60

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Solution

The fourth proportional to 1,707,380.80, 2,561,200.80 and 509,209.60 is: 763,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,380.80 : 2,561,200.80 = 509,209.60 : x
  2. Step 2: Convert to fraction form
    1,707,380.80/2,561,200.80 = 509,209.60/x
  3. Step 3: Cross multiply
    1,707,380.80x = 2,561,200.80 × 509,209.60
  4. Step 4: Simplify right side
    1,707,380.80x = 1,304,188,034,887.68
  5. Step 5: Solve for x
    x = 1,304,188,034,887.68/1,707,380.80
  6. Step 6: Final answer
    x = 763,853.05

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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.