Finding the Fourth Proportional to 1,276,181.92, 1,761,168.09 and 703,259.02
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Solution
The fourth proportional to 1,276,181.92, 1,761,168.09 and 703,259.02 is: 970,517.86
Step by Step Solution
- Step 1: Write the proportion equation
1,276,181.92 : 1,761,168.09 = 703,259.02 : x - Step 2: Convert to fraction form
1,276,181.92/1,761,168.09 = 703,259.02/x - Step 3: Cross multiply
1,276,181.92x = 1,761,168.09 × 703,259.02 - Step 4: Simplify right side
1,276,181.92x = 1,238,557,345,028.67 - Step 5: Solve for x
x = 1,238,557,345,028.67/1,276,181.92 - Step 6: Final answer
x = 970,517.86
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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.