Finding the Fourth Proportional to 1,120,396.68, 1,546,278.12 and 637,034.24
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Solution
The fourth proportional to 1,120,396.68, 1,546,278.12 and 637,034.24 is: 879,181.57
Step by Step Solution
- Step 1: Write the proportion equation
1,120,396.68 : 1,546,278.12 = 637,034.24 : x - Step 2: Convert to fraction form
1,120,396.68/1,546,278.12 = 637,034.24/x - Step 3: Cross multiply
1,120,396.68x = 1,546,278.12 × 637,034.24 - Step 4: Simplify right side
1,120,396.68x = 985,032,110,868.52 - Step 5: Solve for x
x = 985,032,110,868.52/1,120,396.68 - Step 6: Final answer
x = 879,181.57
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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.