Finding the Fourth Proportional to 1,340,414, 1,849,771.32 and 767,643.68
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Solution
The fourth proportional to 1,340,414, 1,849,771.32 and 767,643.68 is: 1,059,348.28
Step by Step Solution
- Step 1: Write the proportion equation
1,340,414 : 1,849,771.32 = 767,643.68 : x - Step 2: Convert to fraction form
1,340,414/1,849,771.32 = 767,643.68/x - Step 3: Cross multiply
1,340,414x = 1,849,771.32 × 767,643.68 - Step 4: Simplify right side
1,340,414x = 1,419,965,263,243.26 - Step 5: Solve for x
x = 1,419,965,263,243.26/1,340,414 - Step 6: Final answer
x = 1,059,348.28
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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.