Finding the Fourth Proportional to 1,202,617.18, 1,659,610.38 and 658,786.42
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Solution
The fourth proportional to 1,202,617.18, 1,659,610.38 and 658,786.42 is: 909,124.53
Step by Step Solution
- Step 1: Write the proportion equation
1,202,617.18 : 1,659,610.38 = 658,786.42 : x - Step 2: Convert to fraction form
1,202,617.18/1,659,610.38 = 658,786.42/x - Step 3: Cross multiply
1,202,617.18x = 1,659,610.38 × 658,786.42 - Step 4: Simplify right side
1,202,617.18x = 1,093,328,780,835.04 - Step 5: Solve for x
x = 1,093,328,780,835.04/1,202,617.18 - Step 6: Final answer
x = 909,124.53
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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.