Home / 1,228,257.09-1,842,604.38-418,596.66

Finding the Fourth Proportional to 1,228,257.09, 1,842,604.38 and 418,596.66

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Solution

The fourth proportional to 1,228,257.09, 1,842,604.38 and 418,596.66 is: 627,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,257.09 : 1,842,604.38 = 418,596.66 : x
  2. Step 2: Convert to fraction form
    1,228,257.09/1,842,604.38 = 418,596.66/x
  3. Step 3: Cross multiply
    1,228,257.09x = 1,842,604.38 × 418,596.66
  4. Step 4: Simplify right side
    1,228,257.09x = 771,308,039,169.37
  5. Step 5: Solve for x
    x = 771,308,039,169.37/1,228,257.09
  6. Step 6: Final answer
    x = 627,969.54

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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.