Finding the Fourth Proportional to 1,253,497.20, 1,880,548.20 and 412,004.40
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Solution
The fourth proportional to 1,253,497.20, 1,880,548.20 and 412,004.40 is: 618,105.99
Step by Step Solution
- Step 1: Write the proportion equation
1,253,497.20 : 1,880,548.20 = 412,004.40 : x - Step 2: Convert to fraction form
1,253,497.20/1,880,548.20 = 412,004.40/x - Step 3: Cross multiply
1,253,497.20x = 1,880,548.20 × 412,004.40 - Step 4: Simplify right side
1,253,497.20x = 774,794,132,812.08 - Step 5: Solve for x
x = 774,794,132,812.08/1,253,497.20 - Step 6: Final answer
x = 618,105.99
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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.