Home / 1,100,481.96-1,518,524.80-641,481.68

Finding the Fourth Proportional to 1,100,481.96, 1,518,524.80 and 641,481.68

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Solution

The fourth proportional to 1,100,481.96, 1,518,524.80 and 641,481.68 is: 885,162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,481.96 : 1,518,524.80 = 641,481.68 : x
  2. Step 2: Convert to fraction form
    1,100,481.96/1,518,524.80 = 641,481.68/x
  3. Step 3: Cross multiply
    1,100,481.96x = 1,518,524.80 × 641,481.68
  4. Step 4: Simplify right side
    1,100,481.96x = 974,105,839,825.66
  5. Step 5: Solve for x
    x = 974,105,839,825.66/1,100,481.96
  6. Step 6: Final answer
    x = 885,162.93

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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.