Finding the Fourth Proportional to 1,037,611.14, 1,431,898.61 and 572,452.36
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Solution
The fourth proportional to 1,037,611.14, 1,431,898.61 and 572,452.36 is: 789,981.63
Step by Step Solution
- Step 1: Write the proportion equation
1,037,611.14 : 1,431,898.61 = 572,452.36 : x - Step 2: Convert to fraction form
1,037,611.14/1,431,898.61 = 572,452.36/x - Step 3: Cross multiply
1,037,611.14x = 1,431,898.61 × 572,452.36 - Step 4: Simplify right side
1,037,611.14x = 819,693,738,575.22 - Step 5: Solve for x
x = 819,693,738,575.22/1,037,611.14 - Step 6: Final answer
x = 789,981.63
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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.