Finding the Fourth Proportional to 1,425,705.09, 1,967,472.75 and 852,879.97
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Solution
The fourth proportional to 1,425,705.09, 1,967,472.75 and 852,879.97 is: 1,176,974.19
Step by Step Solution
- Step 1: Write the proportion equation
1,425,705.09 : 1,967,472.75 = 852,879.97 : x - Step 2: Convert to fraction form
1,425,705.09/1,967,472.75 = 852,879.97/x - Step 3: Cross multiply
1,425,705.09x = 1,967,472.75 × 852,879.97 - Step 4: Simplify right side
1,425,705.09x = 1,678,018,099,995.82 - Step 5: Solve for x
x = 1,678,018,099,995.82/1,425,705.09 - Step 6: Final answer
x = 1,176,974.19
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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.