Home / 1,307,664.72-1,961,494.20-348,120.54

Finding the Fourth Proportional to 1,307,664.72, 1,961,494.20 and 348,120.54

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Solution

The fourth proportional to 1,307,664.72, 1,961,494.20 and 348,120.54 is: 522,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,664.72 : 1,961,494.20 = 348,120.54 : x
  2. Step 2: Convert to fraction form
    1,307,664.72/1,961,494.20 = 348,120.54/x
  3. Step 3: Cross multiply
    1,307,664.72x = 1,961,494.20 × 348,120.54
  4. Step 4: Simplify right side
    1,307,664.72x = 682,836,420,110.87
  5. Step 5: Solve for x
    x = 682,836,420,110.87/1,307,664.72
  6. Step 6: Final answer
    x = 522,180.04

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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.