Finding the Fourth Proportional to 1,095,843.67, 1,511,285.11 and 687,983.49
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Solution
The fourth proportional to 1,095,843.67, 1,511,285.11 and 687,983.49 is: 948,802.49
Step by Step Solution
- Step 1: Write the proportion equation
1,095,843.67 : 1,511,285.11 = 687,983.49 : x - Step 2: Convert to fraction form
1,095,843.67/1,511,285.11 = 687,983.49/x - Step 3: Cross multiply
1,095,843.67x = 1,511,285.11 × 687,983.49 - Step 4: Simplify right side
1,095,843.67x = 1,039,739,202,642.88 - Step 5: Solve for x
x = 1,039,739,202,642.88/1,095,843.67 - Step 6: Final answer
x = 948,802.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.