Finding the Fourth Proportional to 1,121,103.96, 1,546,718.92 and 863,059.92
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Solution
The fourth proportional to 1,121,103.96, 1,546,718.92 and 863,059.92 is: 1,190,711.26
Step by Step Solution
- Step 1: Write the proportion equation
1,121,103.96 : 1,546,718.92 = 863,059.92 : x - Step 2: Convert to fraction form
1,121,103.96/1,546,718.92 = 863,059.92/x - Step 3: Cross multiply
1,121,103.96x = 1,546,718.92 × 863,059.92 - Step 4: Simplify right side
1,121,103.96x = 1,334,911,107,357.69 - Step 5: Solve for x
x = 1,334,911,107,357.69/1,121,103.96 - Step 6: Final answer
x = 1,190,711.26
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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.