Finding the Fourth Proportional to 1,369,571.40, 2,052,674.52 and 769,270.68
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Solution
The fourth proportional to 1,369,571.40, 2,052,674.52 and 769,270.68 is: 1,152,960.94
Step by Step Solution
- Step 1: Write the proportion equation
1,369,571.40 : 2,052,674.52 = 769,270.68 : x - Step 2: Convert to fraction form
1,369,571.40/2,052,674.52 = 769,270.68/x - Step 3: Cross multiply
1,369,571.40x = 2,052,674.52 × 769,270.68 - Step 4: Simplify right side
1,369,571.40x = 1,579,062,323,819.07 - Step 5: Solve for x
x = 1,579,062,323,819.07/1,369,571.40 - Step 6: Final answer
x = 1,152,960.94
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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.