Home / 1,091,787.45-1,638,601.33-461,153.85

Finding the Fourth Proportional to 1,091,787.45, 1,638,601.33 and 461,153.85

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Solution

The fourth proportional to 1,091,787.45, 1,638,601.33 and 461,153.85 is: 692,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,787.45 : 1,638,601.33 = 461,153.85 : x
  2. Step 2: Convert to fraction form
    1,091,787.45/1,638,601.33 = 461,153.85/x
  3. Step 3: Cross multiply
    1,091,787.45x = 1,638,601.33 × 461,153.85
  4. Step 4: Simplify right side
    1,091,787.45x = 755,647,311,944.62
  5. Step 5: Solve for x
    x = 755,647,311,944.62/1,091,787.45
  6. Step 6: Final answer
    x = 692,119.43

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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.