Home / 1,608,425.29-2,219,540.29-920,110.78

Finding the Fourth Proportional to 1,608,425.29, 2,219,540.29 and 920,110.78

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Solution

The fourth proportional to 1,608,425.29, 2,219,540.29 and 920,110.78 is: 1,269,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,425.29 : 2,219,540.29 = 920,110.78 : x
  2. Step 2: Convert to fraction form
    1,608,425.29/2,219,540.29 = 920,110.78/x
  3. Step 3: Cross multiply
    1,608,425.29x = 2,219,540.29 × 920,110.78
  4. Step 4: Simplify right side
    1,608,425.29x = 2,042,222,947,473.33
  5. Step 5: Solve for x
    x = 2,042,222,947,473.33/1,608,425.29
  6. Step 6: Final answer
    x = 1,269,703.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.