Finding the Fourth Proportional to 1,222,375.02, 1,686,984.26 and 713,241.42
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Solution
The fourth proportional to 1,222,375.02, 1,686,984.26 and 713,241.42 is: 984,335.44
Step by Step Solution
- Step 1: Write the proportion equation
1,222,375.02 : 1,686,984.26 = 713,241.42 : x - Step 2: Convert to fraction form
1,222,375.02/1,686,984.26 = 713,241.42/x - Step 3: Cross multiply
1,222,375.02x = 1,686,984.26 × 713,241.42 - Step 4: Simplify right side
1,222,375.02x = 1,203,227,049,120.05 - Step 5: Solve for x
x = 1,203,227,049,120.05/1,222,375.02 - Step 6: Final answer
x = 984,335.44
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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.