Finding the Fourth Proportional to 1,120,396.43, 1,546,277.78 and 637,033.99
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Solution
The fourth proportional to 1,120,396.43, 1,546,277.78 and 637,033.99 is: 879,181.22
Step by Step Solution
- Step 1: Write the proportion equation
1,120,396.43 : 1,546,277.78 = 637,033.99 : x - Step 2: Convert to fraction form
1,120,396.43/1,546,277.78 = 637,033.99/x - Step 3: Cross multiply
1,120,396.43x = 1,546,277.78 × 637,033.99 - Step 4: Simplify right side
1,120,396.43x = 985,031,503,841.74 - Step 5: Solve for x
x = 985,031,503,841.74/1,120,396.43 - Step 6: Final answer
x = 879,181.22
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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.