Finding the Fourth Proportional to 1,193,647.46, 1,790,490.18 and 664,531.70
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Solution
The fourth proportional to 1,193,647.46, 1,790,490.18 and 664,531.70 is: 996,808.12
Step by Step Solution
- Step 1: Write the proportion equation
1,193,647.46 : 1,790,490.18 = 664,531.70 : x - Step 2: Convert to fraction form
1,193,647.46/1,790,490.18 = 664,531.70/x - Step 3: Cross multiply
1,193,647.46x = 1,790,490.18 × 664,531.70 - Step 4: Simplify right side
1,193,647.46x = 1,189,837,483,148.71 - Step 5: Solve for x
x = 1,189,837,483,148.71/1,193,647.46 - Step 6: Final answer
x = 996,808.12
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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.