Finding the Fourth Proportional to 1,247,580.48, 1,721,662.90 and 674,620.68
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Solution
The fourth proportional to 1,247,580.48, 1,721,662.90 and 674,620.68 is: 930,977.53
Step by Step Solution
- Step 1: Write the proportion equation
1,247,580.48 : 1,721,662.90 = 674,620.68 : x - Step 2: Convert to fraction form
1,247,580.48/1,721,662.90 = 674,620.68/x - Step 3: Cross multiply
1,247,580.48x = 1,721,662.90 × 674,620.68 - Step 4: Simplify right side
1,247,580.48x = 1,161,469,396,328.77 - Step 5: Solve for x
x = 1,161,469,396,328.77/1,247,580.48 - Step 6: Final answer
x = 930,977.53
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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.