Home / 1,099,845.39-1,647,640.09-618,611.02

Finding the Fourth Proportional to 1,099,845.39, 1,647,640.09 and 618,611.02

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Solution

The fourth proportional to 1,099,845.39, 1,647,640.09 and 618,611.02 is: 926,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,845.39 : 1,647,640.09 = 618,611.02 : x
  2. Step 2: Convert to fraction form
    1,099,845.39/1,647,640.09 = 618,611.02/x
  3. Step 3: Cross multiply
    1,099,845.39x = 1,647,640.09 × 618,611.02
  4. Step 4: Simplify right side
    1,099,845.39x = 1,019,248,319,110.24
  5. Step 5: Solve for x
    x = 1,019,248,319,110.24/1,099,845.39
  6. Step 6: Final answer
    x = 926,719.64

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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.