Home / 1,381,127.24-1,906,008.54-800,370.20

Finding the Fourth Proportional to 1,381,127.24, 1,906,008.54 and 800,370.20

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Solution

The fourth proportional to 1,381,127.24, 1,906,008.54 and 800,370.20 is: 1,104,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,127.24 : 1,906,008.54 = 800,370.20 : x
  2. Step 2: Convert to fraction form
    1,381,127.24/1,906,008.54 = 800,370.20/x
  3. Step 3: Cross multiply
    1,381,127.24x = 1,906,008.54 × 800,370.20
  4. Step 4: Simplify right side
    1,381,127.24x = 1,525,512,436,361.51
  5. Step 5: Solve for x
    x = 1,525,512,436,361.51/1,381,127.24
  6. Step 6: Final answer
    x = 1,104,541.56

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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.