Finding the Fourth Proportional to 1,227,640.44, 1,694,228.97 and 744,225.96
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Solution
The fourth proportional to 1,227,640.44, 1,694,228.97 and 744,225.96 is: 1,027,083.45
Step by Step Solution
- Step 1: Write the proportion equation
1,227,640.44 : 1,694,228.97 = 744,225.96 : x - Step 2: Convert to fraction form
1,227,640.44/1,694,228.97 = 744,225.96/x - Step 3: Cross multiply
1,227,640.44x = 1,694,228.97 × 744,225.96 - Step 4: Simplify right side
1,227,640.44x = 1,260,889,181,658.06 - Step 5: Solve for x
x = 1,260,889,181,658.06/1,227,640.44 - Step 6: Final answer
x = 1,027,083.45
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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.