Finding the Fourth Proportional to 1,085,520.21, 1,498,197.26 and 602,241.05
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Solution
The fourth proportional to 1,085,520.21, 1,498,197.26 and 602,241.05 is: 831,192.16
Step by Step Solution
- Step 1: Write the proportion equation
1,085,520.21 : 1,498,197.26 = 602,241.05 : x - Step 2: Convert to fraction form
1,085,520.21/1,498,197.26 = 602,241.05/x - Step 3: Cross multiply
1,085,520.21x = 1,498,197.26 × 602,241.05 - Step 4: Simplify right side
1,085,520.21x = 902,275,892,006.94 - Step 5: Solve for x
x = 902,275,892,006.94/1,085,520.21 - Step 6: Final answer
x = 831,192.16
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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.