Finding the Fourth Proportional to 1,203,229.49, 1,660,245.84 and 686,747.57
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Solution
The fourth proportional to 1,203,229.49, 1,660,245.84 and 686,747.57 is: 947,591.30
Step by Step Solution
- Step 1: Write the proportion equation
1,203,229.49 : 1,660,245.84 = 686,747.57 : x - Step 2: Convert to fraction form
1,203,229.49/1,660,245.84 = 686,747.57/x - Step 3: Cross multiply
1,203,229.49x = 1,660,245.84 × 686,747.57 - Step 4: Simplify right side
1,203,229.49x = 1,140,169,787,921.38 - Step 5: Solve for x
x = 1,140,169,787,921.38/1,203,229.49 - Step 6: Final answer
x = 947,591.30
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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.