Finding the Fourth Proportional to 1,192,367.10, 1,780,474.13 and 946,449.17
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Solution
The fourth proportional to 1,192,367.10, 1,780,474.13 and 946,449.17 is: 1,413,262.96
Step by Step Solution
- Step 1: Write the proportion equation
1,192,367.10 : 1,780,474.13 = 946,449.17 : x - Step 2: Convert to fraction form
1,192,367.10/1,780,474.13 = 946,449.17/x - Step 3: Cross multiply
1,192,367.10x = 1,780,474.13 × 946,449.17 - Step 4: Simplify right side
1,192,367.10x = 1,685,128,252,459.54 - Step 5: Solve for x
x = 1,685,128,252,459.54/1,192,367.10 - Step 6: Final answer
x = 1,413,262.96
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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.