Finding the Fourth Proportional to 1,007,450.17, 1,511,374.69 and 287,798.09
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Solution
The fourth proportional to 1,007,450.17, 1,511,374.69 and 287,798.09 is: 431,754.11
Step by Step Solution
- Step 1: Write the proportion equation
1,007,450.17 : 1,511,374.69 = 287,798.09 : x - Step 2: Convert to fraction form
1,007,450.17/1,511,374.69 = 287,798.09/x - Step 3: Cross multiply
1,007,450.17x = 1,511,374.69 × 287,798.09 - Step 4: Simplify right side
1,007,450.17x = 434,970,746,514.66 - Step 5: Solve for x
x = 434,970,746,514.66/1,007,450.17 - Step 6: Final answer
x = 431,754.11
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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.