Home / 1,100,481.18-1,518,679.44-664,837.94

Finding the Fourth Proportional to 1,100,481.18, 1,518,679.44 and 664,837.94

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Solution

The fourth proportional to 1,100,481.18, 1,518,679.44 and 664,837.94 is: 917,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,481.18 : 1,518,679.44 = 664,837.94 : x
  2. Step 2: Convert to fraction form
    1,100,481.18/1,518,679.44 = 664,837.94/x
  3. Step 3: Cross multiply
    1,100,481.18x = 1,518,679.44 × 664,837.94
  4. Step 4: Simplify right side
    1,100,481.18x = 1,009,675,702,816.56
  5. Step 5: Solve for x
    x = 1,009,675,702,816.56/1,100,481.18
  6. Step 6: Final answer
    x = 917,485.66

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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.