Finding the Fourth Proportional to 1,471,361.80, 2,207,115.60 and 762,773.80
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Solution
The fourth proportional to 1,471,361.80, 2,207,115.60 and 762,773.80 is: 1,144,198.49
Step by Step Solution
- Step 1: Write the proportion equation
1,471,361.80 : 2,207,115.60 = 762,773.80 : x - Step 2: Convert to fraction form
1,471,361.80/2,207,115.60 = 762,773.80/x - Step 3: Cross multiply
1,471,361.80x = 2,207,115.60 × 762,773.80 - Step 4: Simplify right side
1,471,361.80x = 1,683,529,953,251.28 - Step 5: Solve for x
x = 1,683,529,953,251.28/1,471,361.80 - Step 6: Final answer
x = 1,144,198.49
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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.