Finding the Fourth Proportional to 1,171,524.21, 1,617,541.29 and 913,689.14
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Solution
The fourth proportional to 1,171,524.21, 1,617,541.29 and 913,689.14 is: 1,261,544.48
Step by Step Solution
- Step 1: Write the proportion equation
1,171,524.21 : 1,617,541.29 = 913,689.14 : x - Step 2: Convert to fraction form
1,171,524.21/1,617,541.29 = 913,689.14/x - Step 3: Cross multiply
1,171,524.21x = 1,617,541.29 × 913,689.14 - Step 4: Simplify right side
1,171,524.21x = 1,477,929,902,086.88 - Step 5: Solve for x
x = 1,477,929,902,086.88/1,171,524.21 - Step 6: Final answer
x = 1,261,544.48
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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.