Finding the Fourth Proportional to 1,259,163.92, 1,737,646.56 and 686,204.24
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Solution
The fourth proportional to 1,259,163.92, 1,737,646.56 and 686,204.24 is: 946,962.04
Step by Step Solution
- Step 1: Write the proportion equation
1,259,163.92 : 1,737,646.56 = 686,204.24 : x - Step 2: Convert to fraction form
1,259,163.92/1,737,646.56 = 686,204.24/x - Step 3: Cross multiply
1,259,163.92x = 1,737,646.56 × 686,204.24 - Step 4: Simplify right side
1,259,163.92x = 1,192,380,437,093.41 - Step 5: Solve for x
x = 1,192,380,437,093.41/1,259,163.92 - Step 6: Final answer
x = 946,962.04
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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.