Finding the Fourth Proportional to 1,079,294.96, 1,618,660.20 and 320,932.28
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Solution
The fourth proportional to 1,079,294.96, 1,618,660.20 and 320,932.28 is: 481,314.49
Step by Step Solution
- Step 1: Write the proportion equation
1,079,294.96 : 1,618,660.20 = 320,932.28 : x - Step 2: Convert to fraction form
1,079,294.96/1,618,660.20 = 320,932.28/x - Step 3: Cross multiply
1,079,294.96x = 1,618,660.20 × 320,932.28 - Step 4: Simplify right side
1,079,294.96x = 519,480,308,531.26 - Step 5: Solve for x
x = 519,480,308,531.26/1,079,294.96 - Step 6: Final answer
x = 481,314.49
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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.