Finding the Fourth Proportional to 1,321,147.26, 1,823,192.55 and 717,535.26
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Solution
The fourth proportional to 1,321,147.26, 1,823,192.55 and 717,535.26 is: 990,203.73
Step by Step Solution
- Step 1: Write the proportion equation
1,321,147.26 : 1,823,192.55 = 717,535.26 : x - Step 2: Convert to fraction form
1,321,147.26/1,823,192.55 = 717,535.26/x - Step 3: Cross multiply
1,321,147.26x = 1,823,192.55 × 717,535.26 - Step 4: Simplify right side
1,321,147.26x = 1,308,204,940,394.31 - Step 5: Solve for x
x = 1,308,204,940,394.31/1,321,147.26 - Step 6: Final answer
x = 990,203.73
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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.