Finding the Fourth Proportional to 1,253,109.94, 1,729,245.36 and 680,137.84
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Solution
The fourth proportional to 1,253,109.94, 1,729,245.36 and 680,137.84 is: 938,565.06
Step by Step Solution
- Step 1: Write the proportion equation
1,253,109.94 : 1,729,245.36 = 680,137.84 : x - Step 2: Convert to fraction form
1,253,109.94/1,729,245.36 = 680,137.84/x - Step 3: Cross multiply
1,253,109.94x = 1,729,245.36 × 680,137.84 - Step 4: Simplify right side
1,253,109.94x = 1,176,125,203,980.42 - Step 5: Solve for x
x = 1,176,125,203,980.42/1,253,109.94 - Step 6: Final answer
x = 938,565.06
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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.