Finding the Fourth Proportional to 1,526,708.09, 2,286,574.20 and 728,550.15
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Solution
The fourth proportional to 1,526,708.09, 2,286,574.20 and 728,550.15 is: 1,091,160.77
Step by Step Solution
- Step 1: Write the proportion equation
1,526,708.09 : 2,286,574.20 = 728,550.15 : x - Step 2: Convert to fraction form
1,526,708.09/2,286,574.20 = 728,550.15/x - Step 3: Cross multiply
1,526,708.09x = 2,286,574.20 × 728,550.15 - Step 4: Simplify right side
1,526,708.09x = 1,665,883,976,396.13 - Step 5: Solve for x
x = 1,665,883,976,396.13/1,526,708.09 - Step 6: Final answer
x = 1,091,160.77
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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.