Finding the Fourth Proportional to 1,377,344.36, 2,066,366.70 and 809,205.50
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Solution
The fourth proportional to 1,377,344.36, 2,066,366.70 and 809,205.50 is: 1,214,013.97
Step by Step Solution
- Step 1: Write the proportion equation
1,377,344.36 : 2,066,366.70 = 809,205.50 : x - Step 2: Convert to fraction form
1,377,344.36/2,066,366.70 = 809,205.50/x - Step 3: Cross multiply
1,377,344.36x = 2,066,366.70 × 809,205.50 - Step 4: Simplify right side
1,377,344.36x = 1,672,115,288,325.02 - Step 5: Solve for x
x = 1,672,115,288,325.02/1,377,344.36 - Step 6: Final answer
x = 1,214,013.97
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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.