Home / 938,003.72-1,407,021.03-264,101.22

Finding the Fourth Proportional to 938,003.72, 1,407,021.03 and 264,101.22

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Solution

The fourth proportional to 938,003.72, 1,407,021.03 and 264,101.22 is: 396,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,003.72 : 1,407,021.03 = 264,101.22 : x
  2. Step 2: Convert to fraction form
    938,003.72/1,407,021.03 = 264,101.22/x
  3. Step 3: Cross multiply
    938,003.72x = 1,407,021.03 × 264,101.22
  4. Step 4: Simplify right side
    938,003.72x = 371,595,970,588.66
  5. Step 5: Solve for x
    x = 371,595,970,588.66/938,003.72
  6. Step 6: Final answer
    x = 396,156.18

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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.