Finding the Fourth Proportional to 1,207,572.02, 1,811,246.94 and 408,762.26
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Solution
The fourth proportional to 1,207,572.02, 1,811,246.94 and 408,762.26 is: 613,105.79
Step by Step Solution
- Step 1: Write the proportion equation
1,207,572.02 : 1,811,246.94 = 408,762.26 : x - Step 2: Convert to fraction form
1,207,572.02/1,811,246.94 = 408,762.26/x - Step 3: Cross multiply
1,207,572.02x = 1,811,246.94 × 408,762.26 - Step 4: Simplify right side
1,207,572.02x = 740,369,392,612.48 - Step 5: Solve for x
x = 740,369,392,612.48/1,207,572.02 - Step 6: Final answer
x = 613,105.79
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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.