Finding the Fourth Proportional to 1,202,189.69, 1,659,024.57 and 658,361.09
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Solution
The fourth proportional to 1,202,189.69, 1,659,024.57 and 658,361.09 is: 908,539.84
Step by Step Solution
- Step 1: Write the proportion equation
1,202,189.69 : 1,659,024.57 = 658,361.09 : x - Step 2: Convert to fraction form
1,202,189.69/1,659,024.57 = 658,361.09/x - Step 3: Cross multiply
1,202,189.69x = 1,659,024.57 × 658,361.09 - Step 4: Simplify right side
1,202,189.69x = 1,092,237,224,241.98 - Step 5: Solve for x
x = 1,092,237,224,241.98/1,202,189.69 - Step 6: Final answer
x = 908,539.84
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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.