Finding the Fourth Proportional to 1,120,446.68, 1,546,336.17 and 685,119.17
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Solution
The fourth proportional to 1,120,446.68, 1,546,336.17 and 685,119.17 is: 945,537.69
Step by Step Solution
- Step 1: Write the proportion equation
1,120,446.68 : 1,546,336.17 = 685,119.17 : x - Step 2: Convert to fraction form
1,120,446.68/1,546,336.17 = 685,119.17/x - Step 3: Cross multiply
1,120,446.68x = 1,546,336.17 × 685,119.17 - Step 4: Simplify right side
1,120,446.68x = 1,059,424,557,197.22 - Step 5: Solve for x
x = 1,059,424,557,197.22/1,120,446.68 - Step 6: Final answer
x = 945,537.69
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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.