Finding the Fourth Proportional to 1,378,760.24, 2,068,137.24 and 656,910.80
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Solution
The fourth proportional to 1,378,760.24, 2,068,137.24 and 656,910.80 is: 985,364.71
Step by Step Solution
- Step 1: Write the proportion equation
1,378,760.24 : 2,068,137.24 = 656,910.80 : x - Step 2: Convert to fraction form
1,378,760.24/2,068,137.24 = 656,910.80/x - Step 3: Cross multiply
1,378,760.24x = 2,068,137.24 × 656,910.80 - Step 4: Simplify right side
1,378,760.24x = 1,358,581,688,838.19 - Step 5: Solve for x
x = 1,358,581,688,838.19/1,378,760.24 - Step 6: Final answer
x = 985,364.71
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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.