Finding the Fourth Proportional to 1,098,104.58, 1,647,440.73 and 643,079.97
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Solution
The fourth proportional to 1,098,104.58, 1,647,440.73 and 643,079.97 is: 964,786.19
Step by Step Solution
- Step 1: Write the proportion equation
1,098,104.58 : 1,647,440.73 = 643,079.97 : x - Step 2: Convert to fraction form
1,098,104.58/1,647,440.73 = 643,079.97/x - Step 3: Cross multiply
1,098,104.58x = 1,647,440.73 × 643,079.97 - Step 4: Simplify right side
1,098,104.58x = 1,059,436,135,225.18 - Step 5: Solve for x
x = 1,059,436,135,225.18/1,098,104.58 - Step 6: Final answer
x = 964,786.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.