Finding the Fourth Proportional to 1,037,728.53, 1,556,395.97 and 439,107.75
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Solution
The fourth proportional to 1,037,728.53, 1,556,395.97 and 439,107.75 is: 658,578.34
Step by Step Solution
- Step 1: Write the proportion equation
1,037,728.53 : 1,556,395.97 = 439,107.75 : x - Step 2: Convert to fraction form
1,037,728.53/1,556,395.97 = 439,107.75/x - Step 3: Cross multiply
1,037,728.53x = 1,556,395.97 × 439,107.75 - Step 4: Simplify right side
1,037,728.53x = 683,425,530,300.23 - Step 5: Solve for x
x = 683,425,530,300.23/1,037,728.53 - Step 6: Final answer
x = 658,578.34
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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.