Finding the Fourth Proportional to 1,202,519.20, 1,659,476.91 and 658,664.09
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Solution
The fourth proportional to 1,202,519.20, 1,659,476.91 and 658,664.09 is: 908,956.67
Step by Step Solution
- Step 1: Write the proportion equation
1,202,519.20 : 1,659,476.91 = 658,664.09 : x - Step 2: Convert to fraction form
1,202,519.20/1,659,476.91 = 658,664.09/x - Step 3: Cross multiply
1,202,519.20x = 1,659,476.91 × 658,664.09 - Step 4: Simplify right side
1,202,519.20x = 1,093,037,848,801.16 - Step 5: Solve for x
x = 1,093,037,848,801.16/1,202,519.20 - Step 6: Final answer
x = 908,956.67
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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.