Finding the Fourth Proportional to 1,202,771.70, 1,802,238.44 and 881,434.44
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Solution
The fourth proportional to 1,202,771.70, 1,802,238.44 and 881,434.44 is: 1,320,745.26
Step by Step Solution
- Step 1: Write the proportion equation
1,202,771.70 : 1,802,238.44 = 881,434.44 : x - Step 2: Convert to fraction form
1,202,771.70/1,802,238.44 = 881,434.44/x - Step 3: Cross multiply
1,202,771.70x = 1,802,238.44 × 881,434.44 - Step 4: Simplify right side
1,202,771.70x = 1,588,555,025,700.70 - Step 5: Solve for x
x = 1,588,555,025,700.70/1,202,771.70 - Step 6: Final answer
x = 1,320,745.26
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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.