Finding the Fourth Proportional to 1,074,313.40, 1,608,845.70 and 806,624.60
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Solution
The fourth proportional to 1,074,313.40, 1,608,845.70 and 806,624.60 is: 1,207,966.43
Step by Step Solution
- Step 1: Write the proportion equation
1,074,313.40 : 1,608,845.70 = 806,624.60 : x - Step 2: Convert to fraction form
1,074,313.40/1,608,845.70 = 806,624.60/x - Step 3: Cross multiply
1,074,313.40x = 1,608,845.70 × 806,624.60 - Step 4: Simplify right side
1,074,313.40x = 1,297,734,519,224.22 - Step 5: Solve for x
x = 1,297,734,519,224.22/1,074,313.40 - Step 6: Final answer
x = 1,207,966.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.