Finding the Fourth Proportional to 1,260,458.92, 1,739,580.37 and 716,676.19
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Solution
The fourth proportional to 1,260,458.92, 1,739,580.37 and 716,676.19 is: 989,096.75
Step by Step Solution
- Step 1: Write the proportion equation
1,260,458.92 : 1,739,580.37 = 716,676.19 : x - Step 2: Convert to fraction form
1,260,458.92/1,739,580.37 = 716,676.19/x - Step 3: Cross multiply
1,260,458.92x = 1,739,580.37 × 716,676.19 - Step 4: Simplify right side
1,260,458.92x = 1,246,715,825,629.75 - Step 5: Solve for x
x = 1,246,715,825,629.75/1,260,458.92 - Step 6: Final answer
x = 989,096.75
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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.