Finding the Fourth Proportional to 1,163,190.56, 1,744,910.99 and 489,340.43
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Solution
The fourth proportional to 1,163,190.56, 1,744,910.99 and 489,340.43 is: 734,063.29
Step by Step Solution
- Step 1: Write the proportion equation
1,163,190.56 : 1,744,910.99 = 489,340.43 : x - Step 2: Convert to fraction form
1,163,190.56/1,744,910.99 = 489,340.43/x - Step 3: Cross multiply
1,163,190.56x = 1,744,910.99 × 489,340.43 - Step 4: Simplify right side
1,163,190.56x = 853,855,486,657.12 - Step 5: Solve for x
x = 853,855,486,657.12/1,163,190.56 - Step 6: Final answer
x = 734,063.29
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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.