Finding the Fourth Proportional to 1,122,574.05, 1,691,441.57 and 927,270.09
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Solution
The fourth proportional to 1,122,574.05, 1,691,441.57 and 927,270.09 is: 1,397,166.79
Step by Step Solution
- Step 1: Write the proportion equation
1,122,574.05 : 1,691,441.57 = 927,270.09 : x - Step 2: Convert to fraction form
1,122,574.05/1,691,441.57 = 927,270.09/x - Step 3: Cross multiply
1,122,574.05x = 1,691,441.57 × 927,270.09 - Step 4: Simplify right side
1,122,574.05x = 1,568,423,179,161.82 - Step 5: Solve for x
x = 1,568,423,179,161.82/1,122,574.05 - Step 6: Final answer
x = 1,397,166.79
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.