Finding the Fourth Proportional to 1,263,361.08, 1,743,397.74 and 690,399.48
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Solution
The fourth proportional to 1,263,361.08, 1,743,397.74 and 690,399.48 is: 952,729.12
Step by Step Solution
- Step 1: Write the proportion equation
1,263,361.08 : 1,743,397.74 = 690,399.48 : x - Step 2: Convert to fraction form
1,263,361.08/1,743,397.74 = 690,399.48/x - Step 3: Cross multiply
1,263,361.08x = 1,743,397.74 × 690,399.48 - Step 4: Simplify right side
1,263,361.08x = 1,203,640,893,129.18 - Step 5: Solve for x
x = 1,203,640,893,129.18/1,263,361.08 - Step 6: Final answer
x = 952,729.12
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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.