Finding the Fourth Proportional to 1,193,903.55, 1,647,503.82 and 677,668.14
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Solution
The fourth proportional to 1,193,903.55, 1,647,503.82 and 677,668.14 is: 935,134.88
Step by Step Solution
- Step 1: Write the proportion equation
1,193,903.55 : 1,647,503.82 = 677,668.14 : x - Step 2: Convert to fraction form
1,193,903.55/1,647,503.82 = 677,668.14/x - Step 3: Cross multiply
1,193,903.55x = 1,647,503.82 × 677,668.14 - Step 4: Simplify right side
1,193,903.55x = 1,116,460,849,342.30 - Step 5: Solve for x
x = 1,116,460,849,342.30/1,193,903.55 - Step 6: Final answer
x = 935,134.88
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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.