Finding the Fourth Proportional to 1,119,336.42, 1,544,610.36 and 629,381.44
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Solution
The fourth proportional to 1,119,336.42, 1,544,610.36 and 629,381.44 is: 868,504.84
Step by Step Solution
- Step 1: Write the proportion equation
1,119,336.42 : 1,544,610.36 = 629,381.44 : x - Step 2: Convert to fraction form
1,119,336.42/1,544,610.36 = 629,381.44/x - Step 3: Cross multiply
1,119,336.42x = 1,544,610.36 × 629,381.44 - Step 4: Simplify right side
1,119,336.42x = 972,149,096,906.66 - Step 5: Solve for x
x = 972,149,096,906.66/1,119,336.42 - Step 6: Final answer
x = 868,504.84
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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.