Finding the Fourth Proportional to 1,253,539.86, 1,729,884.97 and 680,580.08
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Solution
The fourth proportional to 1,253,539.86, 1,729,884.97 and 680,580.08 is: 939,200.49
Step by Step Solution
- Step 1: Write the proportion equation
1,253,539.86 : 1,729,884.97 = 680,580.08 : x - Step 2: Convert to fraction form
1,253,539.86/1,729,884.97 = 680,580.08/x - Step 3: Cross multiply
1,253,539.86x = 1,729,884.97 × 680,580.08 - Step 4: Simplify right side
1,253,539.86x = 1,177,325,251,273.40 - Step 5: Solve for x
x = 1,177,325,251,273.40/1,253,539.86 - Step 6: Final answer
x = 939,200.49
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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.