Finding the Fourth Proportional to 1,259,224.36, 1,737,678.90 and 686,252.14
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Solution
The fourth proportional to 1,259,224.36, 1,737,678.90 and 686,252.14 is: 947,000.31
Step by Step Solution
- Step 1: Write the proportion equation
1,259,224.36 : 1,737,678.90 = 686,252.14 : x - Step 2: Convert to fraction form
1,259,224.36/1,737,678.90 = 686,252.14/x - Step 3: Cross multiply
1,259,224.36x = 1,737,678.90 × 686,252.14 - Step 4: Simplify right side
1,259,224.36x = 1,192,485,863,757.85 - Step 5: Solve for x
x = 1,192,485,863,757.85/1,259,224.36 - Step 6: Final answer
x = 947,000.31
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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.