Finding the Fourth Proportional to 1,103,436.09, 1,654,946.46 and 345,163.95
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Solution
The fourth proportional to 1,103,436.09, 1,654,946.46 and 345,163.95 is: 517,680.96
Step by Step Solution
- Step 1: Write the proportion equation
1,103,436.09 : 1,654,946.46 = 345,163.95 : x - Step 2: Convert to fraction form
1,103,436.09/1,654,946.46 = 345,163.95/x - Step 3: Cross multiply
1,103,436.09x = 1,654,946.46 × 345,163.95 - Step 4: Simplify right side
1,103,436.09x = 571,227,857,172.12 - Step 5: Solve for x
x = 571,227,857,172.12/1,103,436.09 - Step 6: Final answer
x = 517,680.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.