Finding the Fourth Proportional to 1,399,173.26, 2,098,825.49 and 452,617.79
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Solution
The fourth proportional to 1,399,173.26, 2,098,825.49 and 452,617.79 is: 678,947.90
Step by Step Solution
- Step 1: Write the proportion equation
1,399,173.26 : 2,098,825.49 = 452,617.79 : x - Step 2: Convert to fraction form
1,399,173.26/2,098,825.49 = 452,617.79/x - Step 3: Cross multiply
1,399,173.26x = 2,098,825.49 × 452,617.79 - Step 4: Simplify right side
1,399,173.26x = 949,965,745,516.88 - Step 5: Solve for x
x = 949,965,745,516.88/1,399,173.26 - Step 6: Final answer
x = 678,947.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.