Finding the Fourth Proportional to 1,202,595.09, 1,659,119.29 and 686,377.64
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Solution
The fourth proportional to 1,202,595.09, 1,659,119.29 and 686,377.64 is: 946,937.49
Step by Step Solution
- Step 1: Write the proportion equation
1,202,595.09 : 1,659,119.29 = 686,377.64 : x - Step 2: Convert to fraction form
1,202,595.09/1,659,119.29 = 686,377.64/x - Step 3: Cross multiply
1,202,595.09x = 1,659,119.29 × 686,377.64 - Step 4: Simplify right side
1,202,595.09x = 1,138,782,372,737.14 - Step 5: Solve for x
x = 1,138,782,372,737.14/1,202,595.09 - Step 6: Final answer
x = 946,937.49
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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.