Finding the Fourth Proportional to 1,051,361.57, 1,577,042.19 and 252,643.12
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Solution
The fourth proportional to 1,051,361.57, 1,577,042.19 and 252,643.12 is: 378,964.64
Step by Step Solution
- Step 1: Write the proportion equation
1,051,361.57 : 1,577,042.19 = 252,643.12 : x - Step 2: Convert to fraction form
1,051,361.57/1,577,042.19 = 252,643.12/x - Step 3: Cross multiply
1,051,361.57x = 1,577,042.19 × 252,643.12 - Step 4: Simplify right side
1,051,361.57x = 398,428,855,310.63 - Step 5: Solve for x
x = 398,428,855,310.63/1,051,361.57 - Step 6: Final answer
x = 378,964.64
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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.