Home / 1,381,473.36-1,906,404.30-769,625.28

Finding the Fourth Proportional to 1,381,473.36, 1,906,404.30 and 769,625.28

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Solution

The fourth proportional to 1,381,473.36, 1,906,404.30 and 769,625.28 is: 1,062,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,473.36 : 1,906,404.30 = 769,625.28 : x
  2. Step 2: Convert to fraction form
    1,381,473.36/1,906,404.30 = 769,625.28/x
  3. Step 3: Cross multiply
    1,381,473.36x = 1,906,404.30 × 769,625.28
  4. Step 4: Simplify right side
    1,381,473.36x = 1,467,216,943,180.70
  5. Step 5: Solve for x
    x = 1,467,216,943,180.70/1,381,473.36
  6. Step 6: Final answer
    x = 1,062,066.77

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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.