Finding the Fourth Proportional to 1,311,052.53, 1,809,302.96 and 759,787.14
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Solution
The fourth proportional to 1,311,052.53, 1,809,302.96 and 759,787.14 is: 1,048,535.50
Step by Step Solution
- Step 1: Write the proportion equation
1,311,052.53 : 1,809,302.96 = 759,787.14 : x - Step 2: Convert to fraction form
1,311,052.53/1,809,302.96 = 759,787.14/x - Step 3: Cross multiply
1,311,052.53x = 1,809,302.96 × 759,787.14 - Step 4: Simplify right side
1,311,052.53x = 1,374,685,121,371.93 - Step 5: Solve for x
x = 1,374,685,121,371.93/1,311,052.53 - Step 6: Final answer
x = 1,048,535.50
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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.