Home / 1,537,103.79-2,305,650.83-415,172.79

Finding the Fourth Proportional to 1,537,103.79, 2,305,650.83 and 415,172.79

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Solution

The fourth proportional to 1,537,103.79, 2,305,650.83 and 415,172.79 is: 622,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,103.79 : 2,305,650.83 = 415,172.79 : x
  2. Step 2: Convert to fraction form
    1,537,103.79/2,305,650.83 = 415,172.79/x
  3. Step 3: Cross multiply
    1,537,103.79x = 2,305,650.83 × 415,172.79
  4. Step 4: Simplify right side
    1,537,103.79x = 957,243,485,781.05
  5. Step 5: Solve for x
    x = 957,243,485,781.05/1,537,103.79
  6. Step 6: Final answer
    x = 622,757.87

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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.