Finding the Fourth Proportional to 1,203,093.21, 1,660,158.21 and 693,697.17
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Solution
The fourth proportional to 1,203,093.21, 1,660,158.21 and 693,697.17 is: 957,238.43
Step by Step Solution
- Step 1: Write the proportion equation
1,203,093.21 : 1,660,158.21 = 693,697.17 : x - Step 2: Convert to fraction form
1,203,093.21/1,660,158.21 = 693,697.17/x - Step 3: Cross multiply
1,203,093.21x = 1,660,158.21 × 693,697.17 - Step 4: Simplify right side
1,203,093.21x = 1,151,647,052,029.27 - Step 5: Solve for x
x = 1,151,647,052,029.27/1,203,093.21 - Step 6: Final answer
x = 957,238.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.