Finding the Fourth Proportional to 1,560,238.20, 2,153,087.08 and 871,915.42
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Solution
The fourth proportional to 1,560,238.20, 2,153,087.08 and 871,915.42 is: 1,203,220.01
Step by Step Solution
- Step 1: Write the proportion equation
1,560,238.20 : 2,153,087.08 = 871,915.42 : x - Step 2: Convert to fraction form
1,560,238.20/2,153,087.08 = 871,915.42/x - Step 3: Cross multiply
1,560,238.20x = 2,153,087.08 × 871,915.42 - Step 4: Simplify right side
1,560,238.20x = 1,877,309,821,295.20 - Step 5: Solve for x
x = 1,877,309,821,295.20/1,560,238.20 - Step 6: Final answer
x = 1,203,220.01
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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.