Finding the Fourth Proportional to 1,396,481.28, 2,091,815.61 and 888,526.08
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Solution
The fourth proportional to 1,396,481.28, 2,091,815.61 and 888,526.08 is: 1,330,939.95
Step by Step Solution
- Step 1: Write the proportion equation
1,396,481.28 : 2,091,815.61 = 888,526.08 : x - Step 2: Convert to fraction form
1,396,481.28/2,091,815.61 = 888,526.08/x - Step 3: Cross multiply
1,396,481.28x = 2,091,815.61 × 888,526.08 - Step 4: Simplify right side
1,396,481.28x = 1,858,632,724,036.11 - Step 5: Solve for x
x = 1,858,632,724,036.11/1,396,481.28 - Step 6: Final answer
x = 1,330,939.95
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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.