Finding the Fourth Proportional to 1,112,319.14, 1,668,974.97 and 512,958.56
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Solution
The fourth proportional to 1,112,319.14, 1,668,974.97 and 512,958.56 is: 769,666.69
Step by Step Solution
- Step 1: Write the proportion equation
1,112,319.14 : 1,668,974.97 = 512,958.56 : x - Step 2: Convert to fraction form
1,112,319.14/1,668,974.97 = 512,958.56/x - Step 3: Cross multiply
1,112,319.14x = 1,668,974.97 × 512,958.56 - Step 4: Simplify right side
1,112,319.14x = 856,114,988,942.37 - Step 5: Solve for x
x = 856,114,988,942.37/1,112,319.14 - Step 6: Final answer
x = 769,666.69
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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.