Finding the Fourth Proportional to 1,235,790.64, 1,853,770.22 and 394,405.84
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Solution
The fourth proportional to 1,235,790.64, 1,853,770.22 and 394,405.84 is: 591,635.65
Step by Step Solution
- Step 1: Write the proportion equation
1,235,790.64 : 1,853,770.22 = 394,405.84 : x - Step 2: Convert to fraction form
1,235,790.64/1,853,770.22 = 394,405.84/x - Step 3: Cross multiply
1,235,790.64x = 1,853,770.22 × 394,405.84 - Step 4: Simplify right side
1,235,790.64x = 731,137,800,786.09 - Step 5: Solve for x
x = 731,137,800,786.09/1,235,790.64 - Step 6: Final answer
x = 591,635.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.