Finding the Fourth Proportional to 1,320,726.26, 1,822,609.50 and 717,114.26
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Solution
The fourth proportional to 1,320,726.26, 1,822,609.50 and 717,114.26 is: 989,621.62
Step by Step Solution
- Step 1: Write the proportion equation
1,320,726.26 : 1,822,609.50 = 717,114.26 : x - Step 2: Convert to fraction form
1,320,726.26/1,822,609.50 = 717,114.26/x - Step 3: Cross multiply
1,320,726.26x = 1,822,609.50 × 717,114.26 - Step 4: Simplify right side
1,320,726.26x = 1,307,019,262,861.47 - Step 5: Solve for x
x = 1,307,019,262,861.47/1,320,726.26 - Step 6: Final answer
x = 989,621.62
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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.