Finding the Fourth Proportional to 1,202,764.96, 1,659,816.36 and 658,920.47
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Solution
The fourth proportional to 1,202,764.96, 1,659,816.36 and 658,920.47 is: 909,310.63
Step by Step Solution
- Step 1: Write the proportion equation
1,202,764.96 : 1,659,816.36 = 658,920.47 : x - Step 2: Convert to fraction form
1,202,764.96/1,659,816.36 = 658,920.47/x - Step 3: Cross multiply
1,202,764.96x = 1,659,816.36 × 658,920.47 - Step 4: Simplify right side
1,202,764.96x = 1,093,686,967,745.81 - Step 5: Solve for x
x = 1,093,686,967,745.81/1,202,764.96 - Step 6: Final answer
x = 909,310.63
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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.