Finding the Fourth Proportional to 1,136,989.71, 1,704,914.06 and 378,564.03
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Solution
The fourth proportional to 1,136,989.71, 1,704,914.06 and 378,564.03 is: 567,656.09
Step by Step Solution
- Step 1: Write the proportion equation
1,136,989.71 : 1,704,914.06 = 378,564.03 : x - Step 2: Convert to fraction form
1,136,989.71/1,704,914.06 = 378,564.03/x - Step 3: Cross multiply
1,136,989.71x = 1,704,914.06 × 378,564.03 - Step 4: Simplify right side
1,136,989.71x = 645,419,135,464.44 - Step 5: Solve for x
x = 645,419,135,464.44/1,136,989.71 - Step 6: Final answer
x = 567,656.09
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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.