Finding the Fourth Proportional to 1,011,452.96, 1,396,083.20 and 629,251.84
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Solution
The fourth proportional to 1,011,452.96, 1,396,083.20 and 629,251.84 is: 868,540.56
Step by Step Solution
- Step 1: Write the proportion equation
1,011,452.96 : 1,396,083.20 = 629,251.84 : x - Step 2: Convert to fraction form
1,011,452.96/1,396,083.20 = 629,251.84/x - Step 3: Cross multiply
1,011,452.96x = 1,396,083.20 × 629,251.84 - Step 4: Simplify right side
1,011,452.96x = 878,487,922,393.09 - Step 5: Solve for x
x = 878,487,922,393.09/1,011,452.96 - Step 6: Final answer
x = 868,540.56
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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.