Finding the Fourth Proportional to 1,369,745.88, 1,890,212.94 and 757,882.68
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Solution
The fourth proportional to 1,369,745.88, 1,890,212.94 and 757,882.68 is: 1,045,857.97
Step by Step Solution
- Step 1: Write the proportion equation
1,369,745.88 : 1,890,212.94 = 757,882.68 : x - Step 2: Convert to fraction form
1,369,745.88/1,890,212.94 = 757,882.68/x - Step 3: Cross multiply
1,369,745.88x = 1,890,212.94 × 757,882.68 - Step 4: Simplify right side
1,369,745.88x = 1,432,559,648,737.88 - Step 5: Solve for x
x = 1,432,559,648,737.88/1,369,745.88 - Step 6: Final answer
x = 1,045,857.97
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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.