Finding the Fourth Proportional to 1,167,810.24, 1,611,302.40 and 658,414.20
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Solution
The fourth proportional to 1,167,810.24, 1,611,302.40 and 658,414.20 is: 908,456.14
Step by Step Solution
- Step 1: Write the proportion equation
1,167,810.24 : 1,611,302.40 = 658,414.20 : x - Step 2: Convert to fraction form
1,167,810.24/1,611,302.40 = 658,414.20/x - Step 3: Cross multiply
1,167,810.24x = 1,611,302.40 × 658,414.20 - Step 4: Simplify right side
1,167,810.24x = 1,060,904,380,654.08 - Step 5: Solve for x
x = 1,060,904,380,654.08/1,167,810.24 - Step 6: Final answer
x = 908,456.14
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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.