Finding the Fourth Proportional to 1,120,775.36, 1,546,761.60 and 637,491.68
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Solution
The fourth proportional to 1,120,775.36, 1,546,761.60 and 637,491.68 is: 879,790.62
Step by Step Solution
- Step 1: Write the proportion equation
1,120,775.36 : 1,546,761.60 = 637,491.68 : x - Step 2: Convert to fraction form
1,120,775.36/1,546,761.60 = 637,491.68/x - Step 3: Cross multiply
1,120,775.36x = 1,546,761.60 × 637,491.68 - Step 4: Simplify right side
1,120,775.36x = 986,047,650,943.49 - Step 5: Solve for x
x = 986,047,650,943.49/1,120,775.36 - Step 6: Final answer
x = 879,790.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.