Finding the Fourth Proportional to 1,261,231.84, 1,737,542.64 and 878,566.24
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Solution
The fourth proportional to 1,261,231.84, 1,737,542.64 and 878,566.24 is: 1,210,361.38
Step by Step Solution
- Step 1: Write the proportion equation
1,261,231.84 : 1,737,542.64 = 878,566.24 : x - Step 2: Convert to fraction form
1,261,231.84/1,737,542.64 = 878,566.24/x - Step 3: Cross multiply
1,261,231.84x = 1,737,542.64 × 878,566.24 - Step 4: Simplify right side
1,261,231.84x = 1,526,546,304,064.47 - Step 5: Solve for x
x = 1,526,546,304,064.47/1,261,231.84 - Step 6: Final answer
x = 1,210,361.38
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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.