Finding the Fourth Proportional to 1,395,769.12, 2,093,664.71 and 764,338.48
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Solution
The fourth proportional to 1,395,769.12, 2,093,664.71 and 764,338.48 is: 1,146,513.76
Step by Step Solution
- Step 1: Write the proportion equation
1,395,769.12 : 2,093,664.71 = 764,338.48 : x - Step 2: Convert to fraction form
1,395,769.12/2,093,664.71 = 764,338.48/x - Step 3: Cross multiply
1,395,769.12x = 2,093,664.71 × 764,338.48 - Step 4: Simplify right side
1,395,769.12x = 1,600,268,498,747.73 - Step 5: Solve for x
x = 1,600,268,498,747.73/1,395,769.12 - Step 6: Final answer
x = 1,146,513.76
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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.