Finding the Fourth Proportional to 1,121,370.05, 1,682,312.66 and 322,658.21
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Solution
The fourth proportional to 1,121,370.05, 1,682,312.66 and 322,658.21 is: 484,061.43
Step by Step Solution
- Step 1: Write the proportion equation
1,121,370.05 : 1,682,312.66 = 322,658.21 : x - Step 2: Convert to fraction form
1,121,370.05/1,682,312.66 = 322,658.21/x - Step 3: Cross multiply
1,121,370.05x = 1,682,312.66 × 322,658.21 - Step 4: Simplify right side
1,121,370.05x = 542,811,991,535.94 - Step 5: Solve for x
x = 542,811,991,535.94/1,121,370.05 - Step 6: Final answer
x = 484,061.43
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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.