Home / 1,348,638.72-2,023,953.48-638,665.44

Finding the Fourth Proportional to 1,348,638.72, 2,023,953.48 and 638,665.44

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Solution

The fourth proportional to 1,348,638.72, 2,023,953.48 and 638,665.44 is: 958,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,638.72 : 2,023,953.48 = 638,665.44 : x
  2. Step 2: Convert to fraction form
    1,348,638.72/2,023,953.48 = 638,665.44/x
  3. Step 3: Cross multiply
    1,348,638.72x = 2,023,953.48 × 638,665.44
  4. Step 4: Simplify right side
    1,348,638.72x = 1,292,629,139,843.73
  5. Step 5: Solve for x
    x = 1,292,629,139,843.73/1,348,638.72
  6. Step 6: Final answer
    x = 958,469.54

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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.