Finding the Fourth Proportional to 1,276,706.06, 1,761,853.92 and 703,755.80
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Solution
The fourth proportional to 1,276,706.06, 1,761,853.92 and 703,755.80 is: 971,182.76
Step by Step Solution
- Step 1: Write the proportion equation
1,276,706.06 : 1,761,853.92 = 703,755.80 : x - Step 2: Convert to fraction form
1,276,706.06/1,761,853.92 = 703,755.80/x - Step 3: Cross multiply
1,276,706.06x = 1,761,853.92 × 703,755.80 - Step 4: Simplify right side
1,276,706.06x = 1,239,914,914,952.74 - Step 5: Solve for x
x = 1,239,914,914,952.74/1,276,706.06 - Step 6: Final answer
x = 971,182.76
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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.