Finding the Fourth Proportional to 1,153,380.44, 1,591,668.42 and 644,102.12
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Solution
The fourth proportional to 1,153,380.44, 1,591,668.42 and 644,102.12 is: 888,862.83
Step by Step Solution
- Step 1: Write the proportion equation
1,153,380.44 : 1,591,668.42 = 644,102.12 : x - Step 2: Convert to fraction form
1,153,380.44/1,591,668.42 = 644,102.12/x - Step 3: Cross multiply
1,153,380.44x = 1,591,668.42 × 644,102.12 - Step 4: Simplify right side
1,153,380.44x = 1,025,197,003,659.05 - Step 5: Solve for x
x = 1,025,197,003,659.05/1,153,380.44 - Step 6: Final answer
x = 888,862.83
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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.