Finding the Fourth Proportional to 1,144,661.68, 1,716,974.75 and 387,035.21
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Solution
The fourth proportional to 1,144,661.68, 1,716,974.75 and 387,035.21 is: 580,546.81
Step by Step Solution
- Step 1: Write the proportion equation
1,144,661.68 : 1,716,974.75 = 387,035.21 : x - Step 2: Convert to fraction form
1,144,661.68/1,716,974.75 = 387,035.21/x - Step 3: Cross multiply
1,144,661.68x = 1,716,974.75 × 387,035.21 - Step 4: Simplify right side
1,144,661.68x = 664,529,685,288.21 - Step 5: Solve for x
x = 664,529,685,288.21/1,144,661.68 - Step 6: Final answer
x = 580,546.81
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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.