Finding the Fourth Proportional to 1,246,463.21, 1,719,736.85 and 762,523.85
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Solution
The fourth proportional to 1,246,463.21, 1,719,736.85 and 762,523.85 is: 1,052,048.99
Step by Step Solution
- Step 1: Write the proportion equation
1,246,463.21 : 1,719,736.85 = 762,523.85 : x - Step 2: Convert to fraction form
1,246,463.21/1,719,736.85 = 762,523.85/x - Step 3: Cross multiply
1,246,463.21x = 1,719,736.85 × 762,523.85 - Step 4: Simplify right side
1,246,463.21x = 1,311,340,360,036.25 - Step 5: Solve for x
x = 1,311,340,360,036.25/1,246,463.21 - Step 6: Final answer
x = 1,052,048.99
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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.