Home / 1,661,229.12-2,489,724.72-808,503.24

Finding the Fourth Proportional to 1,661,229.12, 2,489,724.72 and 808,503.24

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Solution

The fourth proportional to 1,661,229.12, 2,489,724.72 and 808,503.24 is: 1,211,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,229.12 : 2,489,724.72 = 808,503.24 : x
  2. Step 2: Convert to fraction form
    1,661,229.12/2,489,724.72 = 808,503.24/x
  3. Step 3: Cross multiply
    1,661,229.12x = 2,489,724.72 × 808,503.24
  4. Step 4: Simplify right side
    1,661,229.12x = 2,012,950,502,828.09
  5. Step 5: Solve for x
    x = 2,012,950,502,828.09/1,661,229.12
  6. Step 6: Final answer
    x = 1,211,723.58

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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.