Finding the Fourth Proportional to 1,278,907.74, 1,764,914.37 and 698,160.84
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Solution
The fourth proportional to 1,278,907.74, 1,764,914.37 and 698,160.84 is: 963,473.80
Step by Step Solution
- Step 1: Write the proportion equation
1,278,907.74 : 1,764,914.37 = 698,160.84 : x - Step 2: Convert to fraction form
1,278,907.74/1,764,914.37 = 698,160.84/x - Step 3: Cross multiply
1,278,907.74x = 1,764,914.37 × 698,160.84 - Step 4: Simplify right side
1,278,907.74x = 1,232,194,099,087.27 - Step 5: Solve for x
x = 1,232,194,099,087.27/1,278,907.74 - Step 6: Final answer
x = 963,473.80
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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.