Finding the Fourth Proportional to 1,036,676.18, 1,431,342.55 and 727,236.64
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Solution
The fourth proportional to 1,036,676.18, 1,431,342.55 and 727,236.64 is: 1,004,098.26
Step by Step Solution
- Step 1: Write the proportion equation
1,036,676.18 : 1,431,342.55 = 727,236.64 : x - Step 2: Convert to fraction form
1,036,676.18/1,431,342.55 = 727,236.64/x - Step 3: Cross multiply
1,036,676.18x = 1,431,342.55 × 727,236.64 - Step 4: Simplify right side
1,036,676.18x = 1,040,924,746,751.03 - Step 5: Solve for x
x = 1,040,924,746,751.03/1,036,676.18 - Step 6: Final answer
x = 1,004,098.26
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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.