Finding the Fourth Proportional to 1,192,785.44, 1,646,047.84 and 648,921.12
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Solution
The fourth proportional to 1,192,785.44, 1,646,047.84 and 648,921.12 is: 895,513.29
Step by Step Solution
- Step 1: Write the proportion equation
1,192,785.44 : 1,646,047.84 = 648,921.12 : x - Step 2: Convert to fraction form
1,192,785.44/1,646,047.84 = 648,921.12/x - Step 3: Cross multiply
1,192,785.44x = 1,646,047.84 × 648,921.12 - Step 4: Simplify right side
1,192,785.44x = 1,068,155,207,906.38 - Step 5: Solve for x
x = 1,068,155,207,906.38/1,192,785.44 - Step 6: Final answer
x = 895,513.29
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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.