Finding the Fourth Proportional to 1,489,251.65, 2,235,074.41 and 769,804.06
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Solution
The fourth proportional to 1,489,251.65, 2,235,074.41 and 769,804.06 is: 1,155,324.79
Step by Step Solution
- Step 1: Write the proportion equation
1,489,251.65 : 2,235,074.41 = 769,804.06 : x - Step 2: Convert to fraction form
1,489,251.65/2,235,074.41 = 769,804.06/x - Step 3: Cross multiply
1,489,251.65x = 2,235,074.41 × 769,804.06 - Step 4: Simplify right side
1,489,251.65x = 1,720,569,351,371.08 - Step 5: Solve for x
x = 1,720,569,351,371.08/1,489,251.65 - Step 6: Final answer
x = 1,155,324.79
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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.