Finding the Fourth Proportional to 1,276,216.29, 1,761,190.29 and 703,276.97
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Solution
The fourth proportional to 1,276,216.29, 1,761,190.29 and 703,276.97 is: 970,528.72
Step by Step Solution
- Step 1: Write the proportion equation
1,276,216.29 : 1,761,190.29 = 703,276.97 : x - Step 2: Convert to fraction form
1,276,216.29/1,761,190.29 = 703,276.97/x - Step 3: Cross multiply
1,276,216.29x = 1,761,190.29 × 703,276.97 - Step 4: Simplify right side
1,276,216.29x = 1,238,604,561,938.67 - Step 5: Solve for x
x = 1,238,604,561,938.67/1,276,216.29 - Step 6: Final answer
x = 970,528.72
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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.