Finding the Fourth Proportional to 1,135,837.80, 1,703,756.70 and 852,402.60
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Solution
The fourth proportional to 1,135,837.80, 1,703,756.70 and 852,402.60 is: 1,278,603.90
Step by Step Solution
- Step 1: Write the proportion equation
1,135,837.80 : 1,703,756.70 = 852,402.60 : x - Step 2: Convert to fraction form
1,135,837.80/1,703,756.70 = 852,402.60/x - Step 3: Cross multiply
1,135,837.80x = 1,703,756.70 × 852,402.60 - Step 4: Simplify right side
1,135,837.80x = 1,452,286,640,847.42 - Step 5: Solve for x
x = 1,452,286,640,847.42/1,135,837.80 - Step 6: Final answer
x = 1,278,603.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.