Home / 1,381,428.30-1,906,342.26-769,580.22

Finding the Fourth Proportional to 1,381,428.30, 1,906,342.26 and 769,580.22

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Solution

The fourth proportional to 1,381,428.30, 1,906,342.26 and 769,580.22 is: 1,062,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,428.30 : 1,906,342.26 = 769,580.22 : x
  2. Step 2: Convert to fraction form
    1,381,428.30/1,906,342.26 = 769,580.22/x
  3. Step 3: Cross multiply
    1,381,428.30x = 1,906,342.26 × 769,580.22
  4. Step 4: Simplify right side
    1,381,428.30x = 1,467,083,295,846.10
  5. Step 5: Solve for x
    x = 1,467,083,295,846.10/1,381,428.30
  6. Step 6: Final answer
    x = 1,062,004.66

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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.