Finding the Fourth Proportional to 927,419.14, 1,286,386.18 and 902,837.26
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Solution
The fourth proportional to 927,419.14, 1,286,386.18 and 902,837.26 is: 1,252,289.63
Step by Step Solution
- Step 1: Write the proportion equation
927,419.14 : 1,286,386.18 = 902,837.26 : x - Step 2: Convert to fraction form
927,419.14/1,286,386.18 = 902,837.26/x - Step 3: Cross multiply
927,419.14x = 1,286,386.18 × 902,837.26 - Step 4: Simplify right side
927,419.14x = 1,161,397,367,621.14 - Step 5: Solve for x
x = 1,161,397,367,621.14/927,419.14 - Step 6: Final answer
x = 1,252,289.63
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.