Finding the Fourth Proportional to 1,276,366.09, 1,761,385.23 and 703,406.26
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Solution
The fourth proportional to 1,276,366.09, 1,761,385.23 and 703,406.26 is: 970,700.65
Step by Step Solution
- Step 1: Write the proportion equation
1,276,366.09 : 1,761,385.23 = 703,406.26 : x - Step 2: Convert to fraction form
1,276,366.09/1,761,385.23 = 703,406.26/x - Step 3: Cross multiply
1,276,366.09x = 1,761,385.23 × 703,406.26 - Step 4: Simplify right side
1,276,366.09x = 1,238,969,397,053.54 - Step 5: Solve for x
x = 1,238,969,397,053.54/1,276,366.09 - Step 6: Final answer
x = 970,700.65
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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.