Finding the Fourth Proportional to 1,207,568.76, 1,811,242.08 and 408,759
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Solution
The fourth proportional to 1,207,568.76, 1,811,242.08 and 408,759 is: 613,100.91
Step by Step Solution
- Step 1: Write the proportion equation
1,207,568.76 : 1,811,242.08 = 408,759 : x - Step 2: Convert to fraction form
1,207,568.76/1,811,242.08 = 408,759/x - Step 3: Cross multiply
1,207,568.76x = 1,811,242.08 × 408,759 - Step 4: Simplify right side
1,207,568.76x = 740,361,501,378.72 - Step 5: Solve for x
x = 740,361,501,378.72/1,207,568.76 - Step 6: Final answer
x = 613,100.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.