Finding the Fourth Proportional to 1,276,227.40, 1,761,205.62 and 703,288.06
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Solution
The fourth proportional to 1,276,227.40, 1,761,205.62 and 703,288.06 is: 970,544.03
Step by Step Solution
- Step 1: Write the proportion equation
1,276,227.40 : 1,761,205.62 = 703,288.06 : x - Step 2: Convert to fraction form
1,276,227.40/1,761,205.62 = 703,288.06/x - Step 3: Cross multiply
1,276,227.40x = 1,761,205.62 × 703,288.06 - Step 4: Simplify right side
1,276,227.40x = 1,238,634,883,750.90 - Step 5: Solve for x
x = 1,238,634,883,750.90/1,276,227.40 - Step 6: Final answer
x = 970,544.03
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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.