Finding the Fourth Proportional to 1,293,301.44, 1,784,709.72 and 720,310.68
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Solution
The fourth proportional to 1,293,301.44, 1,784,709.72 and 720,310.68 is: 994,002.97
Step by Step Solution
- Step 1: Write the proportion equation
1,293,301.44 : 1,784,709.72 = 720,310.68 : x - Step 2: Convert to fraction form
1,293,301.44/1,784,709.72 = 720,310.68/x - Step 3: Cross multiply
1,293,301.44x = 1,784,709.72 × 720,310.68 - Step 4: Simplify right side
1,293,301.44x = 1,285,545,472,015.81 - Step 5: Solve for x
x = 1,285,545,472,015.81/1,293,301.44 - Step 6: Final answer
x = 994,002.97
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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.