Finding the Fourth Proportional to 1,213,197.66, 1,818,320.67 and 858,313.98
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Solution
The fourth proportional to 1,213,197.66, 1,818,320.67 and 858,313.98 is: 1,286,426.86
Step by Step Solution
- Step 1: Write the proportion equation
1,213,197.66 : 1,818,320.67 = 858,313.98 : x - Step 2: Convert to fraction form
1,213,197.66/1,818,320.67 = 858,313.98/x - Step 3: Cross multiply
1,213,197.66x = 1,818,320.67 × 858,313.98 - Step 4: Simplify right side
1,213,197.66x = 1,560,690,051,183.97 - Step 5: Solve for x
x = 1,560,690,051,183.97/1,213,197.66 - Step 6: Final answer
x = 1,286,426.86
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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.