Finding the Fourth Proportional to 1,203,606.14, 1,661,146.63 and 744,868.53
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Solution
The fourth proportional to 1,203,606.14, 1,661,146.63 and 744,868.53 is: 1,028,023.88
Step by Step Solution
- Step 1: Write the proportion equation
1,203,606.14 : 1,661,146.63 = 744,868.53 : x - Step 2: Convert to fraction form
1,203,606.14/1,661,146.63 = 744,868.53/x - Step 3: Cross multiply
1,203,606.14x = 1,661,146.63 × 744,868.53 - Step 4: Simplify right side
1,203,606.14x = 1,237,335,846,540.38 - Step 5: Solve for x
x = 1,237,335,846,540.38/1,203,606.14 - Step 6: Final answer
x = 1,028,023.88
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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.