Finding the Fourth Proportional to 1,193,608.22, 1,647,179.55 and 649,748.09
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Solution
The fourth proportional to 1,193,608.22, 1,647,179.55 and 649,748.09 is: 896,652.48
Step by Step Solution
- Step 1: Write the proportion equation
1,193,608.22 : 1,647,179.55 = 649,748.09 : x - Step 2: Convert to fraction form
1,193,608.22/1,647,179.55 = 649,748.09/x - Step 3: Cross multiply
1,193,608.22x = 1,647,179.55 × 649,748.09 - Step 4: Simplify right side
1,193,608.22x = 1,070,251,770,617.51 - Step 5: Solve for x
x = 1,070,251,770,617.51/1,193,608.22 - Step 6: Final answer
x = 896,652.48
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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.