Finding the Fourth Proportional to 1,347,236.96, 1,858,542.48 and 911,806.88
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Solution
The fourth proportional to 1,347,236.96, 1,858,542.48 and 911,806.88 is: 1,257,857.28
Step by Step Solution
- Step 1: Write the proportion equation
1,347,236.96 : 1,858,542.48 = 911,806.88 : x - Step 2: Convert to fraction form
1,347,236.96/1,858,542.48 = 911,806.88/x - Step 3: Cross multiply
1,347,236.96x = 1,858,542.48 × 911,806.88 - Step 4: Simplify right side
1,347,236.96x = 1,694,631,820,036.26 - Step 5: Solve for x
x = 1,694,631,820,036.26/1,347,236.96 - Step 6: Final answer
x = 1,257,857.28
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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.