Finding the Fourth Proportional to 1,082,772.90, 1,624,378.05 and 372,872.70
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Solution
The fourth proportional to 1,082,772.90, 1,624,378.05 and 372,872.70 is: 559,384.36
Step by Step Solution
- Step 1: Write the proportion equation
1,082,772.90 : 1,624,378.05 = 372,872.70 : x - Step 2: Convert to fraction form
1,082,772.90/1,624,378.05 = 372,872.70/x - Step 3: Cross multiply
1,082,772.90x = 1,624,378.05 × 372,872.70 - Step 4: Simplify right side
1,082,772.90x = 605,686,229,324.24 - Step 5: Solve for x
x = 605,686,229,324.24/1,082,772.90 - Step 6: Final answer
x = 559,384.36
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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.