Finding the Fourth Proportional to 1,330,501.44, 1,836,091.68 and 718,654.08
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Solution
The fourth proportional to 1,330,501.44, 1,836,091.68 and 718,654.08 is: 991,742.46
Step by Step Solution
- Step 1: Write the proportion equation
1,330,501.44 : 1,836,091.68 = 718,654.08 : x - Step 2: Convert to fraction form
1,330,501.44/1,836,091.68 = 718,654.08/x - Step 3: Cross multiply
1,330,501.44x = 1,836,091.68 × 718,654.08 - Step 4: Simplify right side
1,330,501.44x = 1,319,514,777,086.05 - Step 5: Solve for x
x = 1,319,514,777,086.05/1,330,501.44 - Step 6: Final answer
x = 991,742.46
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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.