Finding the Fourth Proportional to 1,193,644.46, 1,790,485.68 and 664,528.70
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Solution
The fourth proportional to 1,193,644.46, 1,790,485.68 and 664,528.70 is: 996,803.62
Step by Step Solution
- Step 1: Write the proportion equation
1,193,644.46 : 1,790,485.68 = 664,528.70 : x - Step 2: Convert to fraction form
1,193,644.46/1,790,485.68 = 664,528.70/x - Step 3: Cross multiply
1,193,644.46x = 1,790,485.68 × 664,528.70 - Step 4: Simplify right side
1,193,644.46x = 1,189,829,121,299.02 - Step 5: Solve for x
x = 1,189,829,121,299.02/1,193,644.46 - Step 6: Final answer
x = 996,803.62
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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.