Finding the Fourth Proportional to 1,336,989.36, 2,004,486.64 and 804,385.60
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Solution
The fourth proportional to 1,336,989.36, 2,004,486.64 and 804,385.60 is: 1,205,978.32
Step by Step Solution
- Step 1: Write the proportion equation
1,336,989.36 : 2,004,486.64 = 804,385.60 : x - Step 2: Convert to fraction form
1,336,989.36/2,004,486.64 = 804,385.60/x - Step 3: Cross multiply
1,336,989.36x = 2,004,486.64 × 804,385.60 - Step 4: Simplify right side
1,336,989.36x = 1,612,380,188,608.38 - Step 5: Solve for x
x = 1,612,380,188,608.38/1,336,989.36 - Step 6: Final answer
x = 1,205,978.32
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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.