Finding the Fourth Proportional to 1,350,343.96, 1,863,703.80 and 777,715.66
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Solution
The fourth proportional to 1,350,343.96, 1,863,703.80 and 777,715.66 is: 1,073,379.58
Step by Step Solution
- Step 1: Write the proportion equation
1,350,343.96 : 1,863,703.80 = 777,715.66 : x - Step 2: Convert to fraction form
1,350,343.96/1,863,703.80 = 777,715.66/x - Step 3: Cross multiply
1,350,343.96x = 1,863,703.80 × 777,715.66 - Step 4: Simplify right side
1,350,343.96x = 1,449,431,630,861.51 - Step 5: Solve for x
x = 1,449,431,630,861.51/1,350,343.96 - Step 6: Final answer
x = 1,073,379.58
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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.