Finding the Fourth Proportional to 1,193,645.70, 1,790,487.18 and 664,529.67
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Solution
The fourth proportional to 1,193,645.70, 1,790,487.18 and 664,529.67 is: 996,804.88
Step by Step Solution
- Step 1: Write the proportion equation
1,193,645.70 : 1,790,487.18 = 664,529.67 : x - Step 2: Convert to fraction form
1,193,645.70/1,790,487.18 = 664,529.67/x - Step 3: Cross multiply
1,193,645.70x = 1,790,487.18 × 664,529.67 - Step 4: Simplify right side
1,193,645.70x = 1,189,831,854,864.63 - Step 5: Solve for x
x = 1,189,831,854,864.63/1,193,645.70 - Step 6: Final answer
x = 996,804.88
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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.