Home / 1,135,153.80-1,703,508.30-629,713.80

Finding the Fourth Proportional to 1,135,153.80, 1,703,508.30 and 629,713.80

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Solution

The fourth proportional to 1,135,153.80, 1,703,508.30 and 629,713.80 is: 945,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,153.80 : 1,703,508.30 = 629,713.80 : x
  2. Step 2: Convert to fraction form
    1,135,153.80/1,703,508.30 = 629,713.80/x
  3. Step 3: Cross multiply
    1,135,153.80x = 1,703,508.30 × 629,713.80
  4. Step 4: Simplify right side
    1,135,153.80x = 1,072,722,684,924.54
  5. Step 5: Solve for x
    x = 1,072,722,684,924.54/1,135,153.80
  6. Step 6: Final answer
    x = 945,002.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.