Finding the Fourth Proportional to 1,207,527.63, 1,811,521.08 and 408,594.66
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Solution
The fourth proportional to 1,207,527.63, 1,811,521.08 and 408,594.66 is: 612,969.69
Step by Step Solution
- Step 1: Write the proportion equation
1,207,527.63 : 1,811,521.08 = 408,594.66 : x - Step 2: Convert to fraction form
1,207,527.63/1,811,521.08 = 408,594.66/x - Step 3: Cross multiply
1,207,527.63x = 1,811,521.08 × 408,594.66 - Step 4: Simplify right side
1,207,527.63x = 740,177,832,972.23 - Step 5: Solve for x
x = 740,177,832,972.23/1,207,527.63 - Step 6: Final answer
x = 612,969.69
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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.