Finding the Fourth Proportional to 1,010,850.73, 1,509,722.34 and 915,891.19
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Solution
The fourth proportional to 1,010,850.73, 1,509,722.34 and 915,891.19 is: 1,367,898.69
Step by Step Solution
- Step 1: Write the proportion equation
1,010,850.73 : 1,509,722.34 = 915,891.19 : x - Step 2: Convert to fraction form
1,010,850.73/1,509,722.34 = 915,891.19/x - Step 3: Cross multiply
1,010,850.73x = 1,509,722.34 × 915,891.19 - Step 4: Simplify right side
1,010,850.73x = 1,382,741,390,552.18 - Step 5: Solve for x
x = 1,382,741,390,552.18/1,010,850.73 - Step 6: Final answer
x = 1,367,898.69
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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.