Finding the Fourth Proportional to 1,284,524.68, 1,772,620.86 and 711,563.08
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Solution
The fourth proportional to 1,284,524.68, 1,772,620.86 and 711,563.08 is: 981,944.20
Step by Step Solution
- Step 1: Write the proportion equation
1,284,524.68 : 1,772,620.86 = 711,563.08 : x - Step 2: Convert to fraction form
1,284,524.68/1,772,620.86 = 711,563.08/x - Step 3: Cross multiply
1,284,524.68x = 1,772,620.86 × 711,563.08 - Step 4: Simplify right side
1,284,524.68x = 1,261,331,558,813.85 - Step 5: Solve for x
x = 1,261,331,558,813.85/1,284,524.68 - Step 6: Final answer
x = 981,944.20
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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.