Finding the Fourth Proportional to 1,008,399.36, 1,511,454.97 and 629,489.31
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Solution
The fourth proportional to 1,008,399.36, 1,511,454.97 and 629,489.31 is: 943,519.78
Step by Step Solution
- Step 1: Write the proportion equation
1,008,399.36 : 1,511,454.97 = 629,489.31 : x - Step 2: Convert to fraction form
1,008,399.36/1,511,454.97 = 629,489.31/x - Step 3: Cross multiply
1,008,399.36x = 1,511,454.97 × 629,489.31 - Step 4: Simplify right side
1,008,399.36x = 951,444,746,161.37 - Step 5: Solve for x
x = 951,444,746,161.37/1,008,399.36 - Step 6: Final answer
x = 943,519.78
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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.