Finding the Fourth Proportional to 1,086,798.12, 1,629,672.84 and 455,542.44
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Solution
The fourth proportional to 1,086,798.12, 1,629,672.84 and 455,542.44 is: 683,093.88
Step by Step Solution
- Step 1: Write the proportion equation
1,086,798.12 : 1,629,672.84 = 455,542.44 : x - Step 2: Convert to fraction form
1,086,798.12/1,629,672.84 = 455,542.44/x - Step 3: Cross multiply
1,086,798.12x = 1,629,672.84 × 455,542.44 - Step 4: Simplify right side
1,086,798.12x = 742,385,141,935.33 - Step 5: Solve for x
x = 742,385,141,935.33/1,086,798.12 - Step 6: Final answer
x = 683,093.88
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1.5x scale
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.