Home / 1,384,550.36-1,910,704.40-812,003.48

Finding the Fourth Proportional to 1,384,550.36, 1,910,704.40 and 812,003.48

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Solution

The fourth proportional to 1,384,550.36, 1,910,704.40 and 812,003.48 is: 1,120,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,550.36 : 1,910,704.40 = 812,003.48 : x
  2. Step 2: Convert to fraction form
    1,384,550.36/1,910,704.40 = 812,003.48/x
  3. Step 3: Cross multiply
    1,384,550.36x = 1,910,704.40 × 812,003.48
  4. Step 4: Simplify right side
    1,384,550.36x = 1,551,498,622,051.31
  5. Step 5: Solve for x
    x = 1,551,498,622,051.31/1,384,550.36
  6. Step 6: Final answer
    x = 1,120,579.41

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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.