Finding the Fourth Proportional to 1,293,123.74, 1,784,566.13 and 720,163.91
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Solution
The fourth proportional to 1,293,123.74, 1,784,566.13 and 720,163.91 is: 993,857.03
Step by Step Solution
- Step 1: Write the proportion equation
1,293,123.74 : 1,784,566.13 = 720,163.91 : x - Step 2: Convert to fraction form
1,293,123.74/1,784,566.13 = 720,163.91/x - Step 3: Cross multiply
1,293,123.74x = 1,784,566.13 × 720,163.91 - Step 4: Simplify right side
1,293,123.74x = 1,285,180,121,834.37 - Step 5: Solve for x
x = 1,285,180,121,834.37/1,293,123.74 - Step 6: Final answer
x = 993,857.03
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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.