Finding the Fourth Proportional to 1,413,987.88, 1,951,286.87 and 769,396.97
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Solution
The fourth proportional to 1,413,987.88, 1,951,286.87 and 769,396.97 is: 1,061,758.89
Step by Step Solution
- Step 1: Write the proportion equation
1,413,987.88 : 1,951,286.87 = 769,396.97 : x - Step 2: Convert to fraction form
1,413,987.88/1,951,286.87 = 769,396.97/x - Step 3: Cross multiply
1,413,987.88x = 1,951,286.87 × 769,396.97 - Step 4: Simplify right side
1,413,987.88x = 1,501,314,191,775.36 - Step 5: Solve for x
x = 1,501,314,191,775.36/1,413,987.88 - Step 6: Final answer
x = 1,061,758.89
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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.