Finding the Fourth Proportional to 1,391,464.40, 2,084,431.80 and 759,246.80
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Solution
The fourth proportional to 1,391,464.40, 2,084,431.80 and 759,246.80 is: 1,137,361.60
Step by Step Solution
- Step 1: Write the proportion equation
1,391,464.40 : 2,084,431.80 = 759,246.80 : x - Step 2: Convert to fraction form
1,391,464.40/2,084,431.80 = 759,246.80/x - Step 3: Cross multiply
1,391,464.40x = 2,084,431.80 × 759,246.80 - Step 4: Simplify right side
1,391,464.40x = 1,582,598,173,968.24 - Step 5: Solve for x
x = 1,582,598,173,968.24/1,391,464.40 - Step 6: Final answer
x = 1,137,361.60
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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.