Finding the Fourth Proportional to 1,207,682.24, 1,809,161.40 and 994,755.92
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Solution
The fourth proportional to 1,207,682.24, 1,809,161.40 and 994,755.92 is: 1,490,188.36
Step by Step Solution
- Step 1: Write the proportion equation
1,207,682.24 : 1,809,161.40 = 994,755.92 : x - Step 2: Convert to fraction form
1,207,682.24/1,809,161.40 = 994,755.92/x - Step 3: Cross multiply
1,207,682.24x = 1,809,161.40 × 994,755.92 - Step 4: Simplify right side
1,207,682.24x = 1,799,674,012,885.49 - Step 5: Solve for x
x = 1,799,674,012,885.49/1,207,682.24 - Step 6: Final answer
x = 1,490,188.36
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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.