Finding the Fourth Proportional to 915,716.26, 1,366,905.11 and 848,178.96
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Solution
The fourth proportional to 915,716.26, 1,366,905.11 and 848,178.96 is: 1,266,091.05
Step by Step Solution
- Step 1: Write the proportion equation
915,716.26 : 1,366,905.11 = 848,178.96 : x - Step 2: Convert to fraction form
915,716.26/1,366,905.11 = 848,178.96/x - Step 3: Cross multiply
915,716.26x = 1,366,905.11 × 848,178.96 - Step 4: Simplify right side
915,716.26x = 1,159,380,152,940.54 - Step 5: Solve for x
x = 1,159,380,152,940.54/915,716.26 - Step 6: Final answer
x = 1,266,091.05
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.