Finding the Fourth Proportional to 1,136,994.21, 1,704,920.81 and 378,568.53
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Solution
The fourth proportional to 1,136,994.21, 1,704,920.81 and 378,568.53 is: 567,662.84
Step by Step Solution
- Step 1: Write the proportion equation
1,136,994.21 : 1,704,920.81 = 378,568.53 : x - Step 2: Convert to fraction form
1,136,994.21/1,704,920.81 = 378,568.53/x - Step 3: Cross multiply
1,136,994.21x = 1,704,920.81 × 378,568.53 - Step 4: Simplify right side
1,136,994.21x = 645,429,362,915.27 - Step 5: Solve for x
x = 645,429,362,915.27/1,136,994.21 - Step 6: Final answer
x = 567,662.84
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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.