Finding the Fourth Proportional to 1,213,144.48, 1,674,128.62 and 669,284.97
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Solution
The fourth proportional to 1,213,144.48, 1,674,128.62 and 669,284.97 is: 923,607.32
Step by Step Solution
- Step 1: Write the proportion equation
1,213,144.48 : 1,674,128.62 = 669,284.97 : x - Step 2: Convert to fraction form
1,213,144.48/1,674,128.62 = 669,284.97/x - Step 3: Cross multiply
1,213,144.48x = 1,674,128.62 × 669,284.97 - Step 4: Simplify right side
1,213,144.48x = 1,120,469,123,212.84 - Step 5: Solve for x
x = 1,120,469,123,212.84/1,213,144.48 - Step 6: Final answer
x = 923,607.32
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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.