Finding the Fourth Proportional to 1,205,128.17, 1,807,664.69 and 306,570.97
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Solution
The fourth proportional to 1,205,128.17, 1,807,664.69 and 306,570.97 is: 459,849.44
Step by Step Solution
- Step 1: Write the proportion equation
1,205,128.17 : 1,807,664.69 = 306,570.97 : x - Step 2: Convert to fraction form
1,205,128.17/1,807,664.69 = 306,570.97/x - Step 3: Cross multiply
1,205,128.17x = 1,807,664.69 × 306,570.97 - Step 4: Simplify right side
1,205,128.17x = 554,177,511,396.03 - Step 5: Solve for x
x = 554,177,511,396.03/1,205,128.17 - Step 6: Final answer
x = 459,849.44
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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.