Finding the Fourth Proportional to 1,126,236.69, 1,552,961.21 and 717,691.37
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Solution
The fourth proportional to 1,126,236.69, 1,552,961.21 and 717,691.37 is: 989,620.44
Step by Step Solution
- Step 1: Write the proportion equation
1,126,236.69 : 1,552,961.21 = 717,691.37 : x - Step 2: Convert to fraction form
1,126,236.69/1,552,961.21 = 717,691.37/x - Step 3: Cross multiply
1,126,236.69x = 1,552,961.21 × 717,691.37 - Step 4: Simplify right side
1,126,236.69x = 1,114,546,847,008.49 - Step 5: Solve for x
x = 1,114,546,847,008.49/1,126,236.69 - Step 6: Final answer
x = 989,620.44
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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.