Finding the Fourth Proportional to 1,114,676.62, 1,538,348.60 and 631,327.75
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Solution
The fourth proportional to 1,114,676.62, 1,538,348.60 and 631,327.75 is: 871,286.02
Step by Step Solution
- Step 1: Write the proportion equation
1,114,676.62 : 1,538,348.60 = 631,327.75 : x - Step 2: Convert to fraction form
1,114,676.62/1,538,348.60 = 631,327.75/x - Step 3: Cross multiply
1,114,676.62x = 1,538,348.60 × 631,327.75 - Step 4: Simplify right side
1,114,676.62x = 971,202,158,086.10 - Step 5: Solve for x
x = 971,202,158,086.10/1,114,676.62 - Step 6: Final answer
x = 871,286.02
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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.