Home / 1,328,172.03-1,832,868.82-755,212.16

Finding the Fourth Proportional to 1,328,172.03, 1,832,868.82 and 755,212.16

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Solution

The fourth proportional to 1,328,172.03, 1,832,868.82 and 755,212.16 is: 1,042,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,172.03 : 1,832,868.82 = 755,212.16 : x
  2. Step 2: Convert to fraction form
    1,328,172.03/1,832,868.82 = 755,212.16/x
  3. Step 3: Cross multiply
    1,328,172.03x = 1,832,868.82 × 755,212.16
  4. Step 4: Simplify right side
    1,328,172.03x = 1,384,204,820,548.85
  5. Step 5: Solve for x
    x = 1,384,204,820,548.85/1,328,172.03
  6. Step 6: Final answer
    x = 1,042,187.90

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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.