Finding the Fourth Proportional to 1,120,668.38, 1,546,491.75 and 611,370.62
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Solution
The fourth proportional to 1,120,668.38, 1,546,491.75 and 611,370.62 is: 843,674.75
Step by Step Solution
- Step 1: Write the proportion equation
1,120,668.38 : 1,546,491.75 = 611,370.62 : x - Step 2: Convert to fraction form
1,120,668.38/1,546,491.75 = 611,370.62/x - Step 3: Cross multiply
1,120,668.38x = 1,546,491.75 × 611,370.62 - Step 4: Simplify right side
1,120,668.38x = 945,479,620,022.39 - Step 5: Solve for x
x = 945,479,620,022.39/1,120,668.38 - Step 6: Final answer
x = 843,674.75
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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.