Finding the Fourth Proportional to 1,380,782.12, 2,071,455.60 and 582,063.80
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Solution
The fourth proportional to 1,380,782.12, 2,071,455.60 and 582,063.80 is: 873,214.75
Step by Step Solution
- Step 1: Write the proportion equation
1,380,782.12 : 2,071,455.60 = 582,063.80 : x - Step 2: Convert to fraction form
1,380,782.12/2,071,455.60 = 582,063.80/x - Step 3: Cross multiply
1,380,782.12x = 2,071,455.60 × 582,063.80 - Step 4: Simplify right side
1,380,782.12x = 1,205,719,318,067.28 - Step 5: Solve for x
x = 1,205,719,318,067.28/1,380,782.12 - Step 6: Final answer
x = 873,214.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.