Home / 1,707,906.40-2,561,531.55-509,867.80

Finding the Fourth Proportional to 1,707,906.40, 2,561,531.55 and 509,867.80

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Solution

The fourth proportional to 1,707,906.40, 2,561,531.55 and 509,867.80 is: 764,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,906.40 : 2,561,531.55 = 509,867.80 : x
  2. Step 2: Convert to fraction form
    1,707,906.40/2,561,531.55 = 509,867.80/x
  3. Step 3: Cross multiply
    1,707,906.40x = 2,561,531.55 × 509,867.80
  4. Step 4: Simplify right side
    1,707,906.40x = 1,306,042,456,029.09
  5. Step 5: Solve for x
    x = 1,306,042,456,029.09/1,707,906.40
  6. Step 6: Final answer
    x = 764,703.77

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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.