Finding the Fourth Proportional to 1,330,361.40, 1,996,794.90 and 699,727.80
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Solution
The fourth proportional to 1,330,361.40, 1,996,794.90 and 699,727.80 is: 1,050,250.63
Step by Step Solution
- Step 1: Write the proportion equation
1,330,361.40 : 1,996,794.90 = 699,727.80 : x - Step 2: Convert to fraction form
1,330,361.40/1,996,794.90 = 699,727.80/x - Step 3: Cross multiply
1,330,361.40x = 1,996,794.90 × 699,727.80 - Step 4: Simplify right side
1,330,361.40x = 1,397,212,902,428.22 - Step 5: Solve for x
x = 1,397,212,902,428.22/1,330,361.40 - Step 6: Final answer
x = 1,050,250.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.