Home / 1,638,266.22-2,455,469.19-738,654.69

Finding the Fourth Proportional to 1,638,266.22, 2,455,469.19 and 738,654.69

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Solution

The fourth proportional to 1,638,266.22, 2,455,469.19 and 738,654.69 is: 1,107,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,266.22 : 2,455,469.19 = 738,654.69 : x
  2. Step 2: Convert to fraction form
    1,638,266.22/2,455,469.19 = 738,654.69/x
  3. Step 3: Cross multiply
    1,638,266.22x = 2,455,469.19 × 738,654.69
  4. Step 4: Simplify right side
    1,638,266.22x = 1,813,743,833,344.00
  5. Step 5: Solve for x
    x = 1,813,743,833,344.00/1,638,266.22
  6. Step 6: Final answer
    x = 1,107,111.78

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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.