Finding the Fourth Proportional to 1,311,207.26, 1,809,521.82 and 730,429.68
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Solution
The fourth proportional to 1,311,207.26, 1,809,521.82 and 730,429.68 is: 1,008,024.05
Step by Step Solution
- Step 1: Write the proportion equation
1,311,207.26 : 1,809,521.82 = 730,429.68 : x - Step 2: Convert to fraction form
1,311,207.26/1,809,521.82 = 730,429.68/x - Step 3: Cross multiply
1,311,207.26x = 1,809,521.82 × 730,429.68 - Step 4: Simplify right side
1,311,207.26x = 1,321,728,443,935.62 - Step 5: Solve for x
x = 1,321,728,443,935.62/1,311,207.26 - Step 6: Final answer
x = 1,008,024.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.