Finding the Fourth Proportional to 1,275,899.63, 1,760,745.84 and 702,938.42
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Solution
The fourth proportional to 1,275,899.63, 1,760,745.84 and 702,938.42 is: 970,057.42
Step by Step Solution
- Step 1: Write the proportion equation
1,275,899.63 : 1,760,745.84 = 702,938.42 : x - Step 2: Convert to fraction form
1,275,899.63/1,760,745.84 = 702,938.42/x - Step 3: Cross multiply
1,275,899.63x = 1,760,745.84 × 702,938.42 - Step 4: Simplify right side
1,275,899.63x = 1,237,695,898,791.17 - Step 5: Solve for x
x = 1,237,695,898,791.17/1,275,899.63 - Step 6: Final answer
x = 970,057.42
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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.