Finding the Fourth Proportional to 1,198,137.12, 1,796,680.08 and 449,658.24
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Solution
The fourth proportional to 1,198,137.12, 1,796,680.08 and 449,658.24 is: 674,290.10
Step by Step Solution
- Step 1: Write the proportion equation
1,198,137.12 : 1,796,680.08 = 449,658.24 : x - Step 2: Convert to fraction form
1,198,137.12/1,796,680.08 = 449,658.24/x - Step 3: Cross multiply
1,198,137.12x = 1,796,680.08 × 449,658.24 - Step 4: Simplify right side
1,198,137.12x = 807,892,002,615.86 - Step 5: Solve for x
x = 807,892,002,615.86/1,198,137.12 - Step 6: Final answer
x = 674,290.10
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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.