Finding the Fourth Proportional to 1,293,305.44, 1,784,715.24 and 720,314.68
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Solution
The fourth proportional to 1,293,305.44, 1,784,715.24 and 720,314.68 is: 994,008.49
Step by Step Solution
- Step 1: Write the proportion equation
1,293,305.44 : 1,784,715.24 = 720,314.68 : x - Step 2: Convert to fraction form
1,293,305.44/1,784,715.24 = 720,314.68/x - Step 3: Cross multiply
1,293,305.44x = 1,784,715.24 × 720,314.68 - Step 4: Simplify right side
1,293,305.44x = 1,285,556,586,991.72 - Step 5: Solve for x
x = 1,285,556,586,991.72/1,293,305.44 - Step 6: Final answer
x = 994,008.49
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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.