Finding the Fourth Proportional to 1,202,537.86, 1,659,523.81 and 658,638.61
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Solution
The fourth proportional to 1,202,537.86, 1,659,523.81 and 658,638.61 is: 908,933.09
Step by Step Solution
- Step 1: Write the proportion equation
1,202,537.86 : 1,659,523.81 = 658,638.61 : x - Step 2: Convert to fraction form
1,202,537.86/1,659,523.81 = 658,638.61/x - Step 3: Cross multiply
1,202,537.86x = 1,659,523.81 × 658,638.61 - Step 4: Simplify right side
1,202,537.86x = 1,093,026,455,480.30 - Step 5: Solve for x
x = 1,093,026,455,480.30/1,202,537.86 - Step 6: Final answer
x = 908,933.09
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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.