Finding the Fourth Proportional to 1,310,314.26, 1,965,482.31 and 411,736.08
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Solution
The fourth proportional to 1,310,314.26, 1,965,482.31 and 411,736.08 is: 617,607.55
Step by Step Solution
- Step 1: Write the proportion equation
1,310,314.26 : 1,965,482.31 = 411,736.08 : x - Step 2: Convert to fraction form
1,310,314.26/1,965,482.31 = 411,736.08/x - Step 3: Cross multiply
1,310,314.26x = 1,965,482.31 × 411,736.08 - Step 4: Simplify right side
1,310,314.26x = 809,259,981,628.75 - Step 5: Solve for x
x = 809,259,981,628.75/1,310,314.26 - Step 6: Final answer
x = 617,607.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.