Finding the Fourth Proportional to 1,121,047.48, 1,681,361.67 and 300,395.75
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Solution
The fourth proportional to 1,121,047.48, 1,681,361.67 and 300,395.75 is: 450,537.48
Step by Step Solution
- Step 1: Write the proportion equation
1,121,047.48 : 1,681,361.67 = 300,395.75 : x - Step 2: Convert to fraction form
1,121,047.48/1,681,361.67 = 300,395.75/x - Step 3: Cross multiply
1,121,047.48x = 1,681,361.67 × 300,395.75 - Step 4: Simplify right side
1,121,047.48x = 505,073,899,880.90 - Step 5: Solve for x
x = 505,073,899,880.90/1,121,047.48 - Step 6: Final answer
x = 450,537.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.