Home / 1,640,469.20-2,458,630.20-797,205.20

Finding the Fourth Proportional to 1,640,469.20, 2,458,630.20 and 797,205.20

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Solution

The fourth proportional to 1,640,469.20, 2,458,630.20 and 797,205.20 is: 1,194,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,469.20 : 2,458,630.20 = 797,205.20 : x
  2. Step 2: Convert to fraction form
    1,640,469.20/2,458,630.20 = 797,205.20/x
  3. Step 3: Cross multiply
    1,640,469.20x = 2,458,630.20 × 797,205.20
  4. Step 4: Simplify right side
    1,640,469.20x = 1,960,032,780,317.04
  5. Step 5: Solve for x
    x = 1,960,032,780,317.04/1,640,469.20
  6. Step 6: Final answer
    x = 1,194,800.11

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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.