Finding the Fourth Proportional to 1,330,601.14, 1,836,230.24 and 718,753.87
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Solution
The fourth proportional to 1,330,601.14, 1,836,230.24 and 718,753.87 is: 991,880.70
Step by Step Solution
- Step 1: Write the proportion equation
1,330,601.14 : 1,836,230.24 = 718,753.87 : x - Step 2: Convert to fraction form
1,330,601.14/1,836,230.24 = 718,753.87/x - Step 3: Cross multiply
1,330,601.14x = 1,836,230.24 × 718,753.87 - Step 4: Simplify right side
1,330,601.14x = 1,319,797,582,029.88 - Step 5: Solve for x
x = 1,319,797,582,029.88/1,330,601.14 - Step 6: Final answer
x = 991,880.70
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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.