Home / 1,380,837.54-1,906,301.34-968,637.24

Finding the Fourth Proportional to 1,380,837.54, 1,906,301.34 and 968,637.24

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Solution

The fourth proportional to 1,380,837.54, 1,906,301.34 and 968,637.24 is: 1,337,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,837.54 : 1,906,301.34 = 968,637.24 : x
  2. Step 2: Convert to fraction form
    1,380,837.54/1,906,301.34 = 968,637.24/x
  3. Step 3: Cross multiply
    1,380,837.54x = 1,906,301.34 × 968,637.24
  4. Step 4: Simplify right side
    1,380,837.54x = 1,846,514,468,585.90
  5. Step 5: Solve for x
    x = 1,846,514,468,585.90/1,380,837.54
  6. Step 6: Final answer
    x = 1,337,242.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.