Home / 1,109,439.37-1,664,159.06-267,991.12

Finding the Fourth Proportional to 1,109,439.37, 1,664,159.06 and 267,991.12

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Solution

The fourth proportional to 1,109,439.37, 1,664,159.06 and 267,991.12 is: 401,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,439.37 : 1,664,159.06 = 267,991.12 : x
  2. Step 2: Convert to fraction form
    1,109,439.37/1,664,159.06 = 267,991.12/x
  3. Step 3: Cross multiply
    1,109,439.37x = 1,664,159.06 × 267,991.12
  4. Step 4: Simplify right side
    1,109,439.37x = 445,979,850,347.55
  5. Step 5: Solve for x
    x = 445,979,850,347.55/1,109,439.37
  6. Step 6: Final answer
    x = 401,986.68

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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.