Finding the Fourth Proportional to 1,013,343.48, 1,396,806.12 and 798,142.68
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Solution
The fourth proportional to 1,013,343.48, 1,396,806.12 and 798,142.68 is: 1,100,170.48
Step by Step Solution
- Step 1: Write the proportion equation
1,013,343.48 : 1,396,806.12 = 798,142.68 : x - Step 2: Convert to fraction form
1,013,343.48/1,396,806.12 = 798,142.68/x - Step 3: Cross multiply
1,013,343.48x = 1,396,806.12 × 798,142.68 - Step 4: Simplify right side
1,013,343.48x = 1,114,850,580,057.20 - Step 5: Solve for x
x = 1,114,850,580,057.20/1,013,343.48 - Step 6: Final answer
x = 1,100,170.48
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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.