Finding the Fourth Proportional to 1,332,531.36, 1,838,893.22 and 720,684.09
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Solution
The fourth proportional to 1,332,531.36, 1,838,893.22 and 720,684.09 is: 994,544.01
Step by Step Solution
- Step 1: Write the proportion equation
1,332,531.36 : 1,838,893.22 = 720,684.09 : x - Step 2: Convert to fraction form
1,332,531.36/1,838,893.22 = 720,684.09/x - Step 3: Cross multiply
1,332,531.36x = 1,838,893.22 × 720,684.09 - Step 4: Simplify right side
1,332,531.36x = 1,325,261,083,259.45 - Step 5: Solve for x
x = 1,325,261,083,259.45/1,332,531.36 - Step 6: Final answer
x = 994,544.01
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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.