Finding the Fourth Proportional to 1,259,088.82, 1,737,537.14 and 686,128.98
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Solution
The fourth proportional to 1,259,088.82, 1,737,537.14 and 686,128.98 is: 946,855.03
Step by Step Solution
- Step 1: Write the proportion equation
1,259,088.82 : 1,737,537.14 = 686,128.98 : x - Step 2: Convert to fraction form
1,259,088.82/1,737,537.14 = 686,128.98/x - Step 3: Cross multiply
1,259,088.82x = 1,737,537.14 × 686,128.98 - Step 4: Simplify right side
1,259,088.82x = 1,192,174,585,580.32 - Step 5: Solve for x
x = 1,192,174,585,580.32/1,259,088.82 - Step 6: Final answer
x = 946,855.03
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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.