Finding the Fourth Proportional to 1,202,717.87, 1,659,751.21 and 658,873.39
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Solution
The fourth proportional to 1,202,717.87, 1,659,751.21 and 658,873.39 is: 909,245.58
Step by Step Solution
- Step 1: Write the proportion equation
1,202,717.87 : 1,659,751.21 = 658,873.39 : x - Step 2: Convert to fraction form
1,202,717.87/1,659,751.21 = 658,873.39/x - Step 3: Cross multiply
1,202,717.87x = 1,659,751.21 × 658,873.39 - Step 4: Simplify right side
1,202,717.87x = 1,093,565,902,369.39 - Step 5: Solve for x
x = 1,093,565,902,369.39/1,202,717.87 - Step 6: Final answer
x = 909,245.58
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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.