Finding the Fourth Proportional to 1,198,204.20, 1,797,322.19 and 399,485.99
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Solution
The fourth proportional to 1,198,204.20, 1,797,322.19 and 399,485.99 is: 599,234.28
Step by Step Solution
- Step 1: Write the proportion equation
1,198,204.20 : 1,797,322.19 = 399,485.99 : x - Step 2: Convert to fraction form
1,198,204.20/1,797,322.19 = 399,485.99/x - Step 3: Cross multiply
1,198,204.20x = 1,797,322.19 × 399,485.99 - Step 4: Simplify right side
1,198,204.20x = 718,005,036,916.99 - Step 5: Solve for x
x = 718,005,036,916.99/1,198,204.20 - Step 6: Final answer
x = 599,234.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.