Finding the Fourth Proportional to 1,267,745.19, 1,901,795.39 and 414,883.88
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Solution
The fourth proportional to 1,267,745.19, 1,901,795.39 and 414,883.88 is: 622,383.94
Step by Step Solution
- Step 1: Write the proportion equation
1,267,745.19 : 1,901,795.39 = 414,883.88 : x - Step 2: Convert to fraction form
1,267,745.19/1,901,795.39 = 414,883.88/x - Step 3: Cross multiply
1,267,745.19x = 1,901,795.39 × 414,883.88 - Step 4: Simplify right side
1,267,745.19x = 789,024,243,230.78 - Step 5: Solve for x
x = 789,024,243,230.78/1,267,745.19 - Step 6: Final answer
x = 622,383.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.