Finding the Fourth Proportional to 1,284,703.44, 1,772,747.28 and 711,601.44
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Solution
The fourth proportional to 1,284,703.44, 1,772,747.28 and 711,601.44 is: 981,930.52
Step by Step Solution
- Step 1: Write the proportion equation
1,284,703.44 : 1,772,747.28 = 711,601.44 : x - Step 2: Convert to fraction form
1,284,703.44/1,772,747.28 = 711,601.44/x - Step 3: Cross multiply
1,284,703.44x = 1,772,747.28 × 711,601.44 - Step 4: Simplify right side
1,284,703.44x = 1,261,489,517,204.08 - Step 5: Solve for x
x = 1,261,489,517,204.08/1,284,703.44 - Step 6: Final answer
x = 981,930.52
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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.