Finding the Fourth Proportional to 1,215,608.99, 1,823,491.25 and 467,654.99
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Solution
The fourth proportional to 1,215,608.99, 1,823,491.25 and 467,654.99 is: 701,512.40
Step by Step Solution
- Step 1: Write the proportion equation
1,215,608.99 : 1,823,491.25 = 467,654.99 : x - Step 2: Convert to fraction form
1,215,608.99/1,823,491.25 = 467,654.99/x - Step 3: Cross multiply
1,215,608.99x = 1,823,491.25 × 467,654.99 - Step 4: Simplify right side
1,215,608.99x = 852,764,782,283.84 - Step 5: Solve for x
x = 852,764,782,283.84/1,215,608.99 - Step 6: Final answer
x = 701,512.40
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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.