Finding the Fourth Proportional to 1,193,907.68, 1,647,708.84 and 891,576.80
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Solution
The fourth proportional to 1,193,907.68, 1,647,708.84 and 891,576.80 is: 1,230,462.79
Step by Step Solution
- Step 1: Write the proportion equation
1,193,907.68 : 1,647,708.84 = 891,576.80 : x - Step 2: Convert to fraction form
1,193,907.68/1,647,708.84 = 891,576.80/x - Step 3: Cross multiply
1,193,907.68x = 1,647,708.84 × 891,576.80 - Step 4: Simplify right side
1,193,907.68x = 1,469,058,974,898.91 - Step 5: Solve for x
x = 1,469,058,974,898.91/1,193,907.68 - Step 6: Final answer
x = 1,230,462.79
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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.