Home / 1,378,976.36-1,902,209.82-827,551.04

Finding the Fourth Proportional to 1,378,976.36, 1,902,209.82 and 827,551.04

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Solution

The fourth proportional to 1,378,976.36, 1,902,209.82 and 827,551.04 is: 1,141,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,976.36 : 1,902,209.82 = 827,551.04 : x
  2. Step 2: Convert to fraction form
    1,378,976.36/1,902,209.82 = 827,551.04/x
  3. Step 3: Cross multiply
    1,378,976.36x = 1,902,209.82 × 827,551.04
  4. Step 4: Simplify right side
    1,378,976.36x = 1,574,175,714,839.21
  5. Step 5: Solve for x
    x = 1,574,175,714,839.21/1,378,976.36
  6. Step 6: Final answer
    x = 1,141,553.81

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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.