Home / 1,378,723.62-1,902,611.25-766,863.22

Finding the Fourth Proportional to 1,378,723.62, 1,902,611.25 and 766,863.22

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Solution

The fourth proportional to 1,378,723.62, 1,902,611.25 and 766,863.22 is: 1,058,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,723.62 : 1,902,611.25 = 766,863.22 : x
  2. Step 2: Convert to fraction form
    1,378,723.62/1,902,611.25 = 766,863.22/x
  3. Step 3: Cross multiply
    1,378,723.62x = 1,902,611.25 × 766,863.22
  4. Step 4: Simplify right side
    1,378,723.62x = 1,459,042,589,583.23
  5. Step 5: Solve for x
    x = 1,459,042,589,583.23/1,378,723.62
  6. Step 6: Final answer
    x = 1,058,256.03

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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.