Home / 1,213,003.20-1,816,005.60-740,611.20

Finding the Fourth Proportional to 1,213,003.20, 1,816,005.60 and 740,611.20

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Solution

The fourth proportional to 1,213,003.20, 1,816,005.60 and 740,611.20 is: 1,108,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,003.20 : 1,816,005.60 = 740,611.20 : x
  2. Step 2: Convert to fraction form
    1,213,003.20/1,816,005.60 = 740,611.20/x
  3. Step 3: Cross multiply
    1,213,003.20x = 1,816,005.60 × 740,611.20
  4. Step 4: Simplify right side
    1,213,003.20x = 1,344,954,086,622.72
  5. Step 5: Solve for x
    x = 1,344,954,086,622.72/1,213,003.20
  6. Step 6: Final answer
    x = 1,108,780.33

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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.