Finding the Fourth Proportional to 1,131,232.44, 1,561,060.62 and 621,930.84
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Solution
The fourth proportional to 1,131,232.44, 1,561,060.62 and 621,930.84 is: 858,242.49
Step by Step Solution
- Step 1: Write the proportion equation
1,131,232.44 : 1,561,060.62 = 621,930.84 : x - Step 2: Convert to fraction form
1,131,232.44/1,561,060.62 = 621,930.84/x - Step 3: Cross multiply
1,131,232.44x = 1,561,060.62 × 621,930.84 - Step 4: Simplify right side
1,131,232.44x = 970,871,742,687.52 - Step 5: Solve for x
x = 970,871,742,687.52/1,131,232.44 - Step 6: Final answer
x = 858,242.49
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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.