Finding the Fourth Proportional to 1,321,148.26, 1,823,193.93 and 717,536.26
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Solution
The fourth proportional to 1,321,148.26, 1,823,193.93 and 717,536.26 is: 990,205.11
Step by Step Solution
- Step 1: Write the proportion equation
1,321,148.26 : 1,823,193.93 = 717,536.26 : x - Step 2: Convert to fraction form
1,321,148.26/1,823,193.93 = 717,536.26/x - Step 3: Cross multiply
1,321,148.26x = 1,823,193.93 × 717,536.26 - Step 4: Simplify right side
1,321,148.26x = 1,308,207,753,786.90 - Step 5: Solve for x
x = 1,308,207,753,786.90/1,321,148.26 - Step 6: Final answer
x = 990,205.11
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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.