Finding the Fourth Proportional to 1,171,457.97, 1,755,180.99 and 639,352.37
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Solution
The fourth proportional to 1,171,457.97, 1,755,180.99 and 639,352.37 is: 957,933.74
Step by Step Solution
- Step 1: Write the proportion equation
1,171,457.97 : 1,755,180.99 = 639,352.37 : x - Step 2: Convert to fraction form
1,171,457.97/1,755,180.99 = 639,352.37/x - Step 3: Cross multiply
1,171,457.97x = 1,755,180.99 × 639,352.37 - Step 4: Simplify right side
1,171,457.97x = 1,122,179,116,959.54 - Step 5: Solve for x
x = 1,122,179,116,959.54/1,171,457.97 - Step 6: Final answer
x = 957,933.74
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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.