Finding the Fourth Proportional to 1,202,301.12, 1,659,175.68 and 665,757.12
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Solution
The fourth proportional to 1,202,301.12, 1,659,175.68 and 665,757.12 is: 918,744.90
Step by Step Solution
- Step 1: Write the proportion equation
1,202,301.12 : 1,659,175.68 = 665,757.12 : x - Step 2: Convert to fraction form
1,202,301.12/1,659,175.68 = 665,757.12/x - Step 3: Cross multiply
1,202,301.12x = 1,659,175.68 × 665,757.12 - Step 4: Simplify right side
1,202,301.12x = 1,104,608,022,290.84 - Step 5: Solve for x
x = 1,104,608,022,290.84/1,202,301.12 - Step 6: Final answer
x = 918,744.90
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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.