Home / 1,098,077.11-1,647,399.63-643,052.63

Finding the Fourth Proportional to 1,098,077.11, 1,647,399.63 and 643,052.63

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Solution

The fourth proportional to 1,098,077.11, 1,647,399.63 and 643,052.63 is: 964,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,077.11 : 1,647,399.63 = 643,052.63 : x
  2. Step 2: Convert to fraction form
    1,098,077.11/1,647,399.63 = 643,052.63/x
  3. Step 3: Cross multiply
    1,098,077.11x = 1,647,399.63 × 643,052.63
  4. Step 4: Simplify right side
    1,098,077.11x = 1,059,364,664,732.53
  5. Step 5: Solve for x
    x = 1,059,364,664,732.53/1,098,077.11
  6. Step 6: Final answer
    x = 964,745.24

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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.