Finding the Fourth Proportional to 1,686,664.29, 2,529,954.41 and 789,110.26
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Solution
The fourth proportional to 1,686,664.29, 2,529,954.41 and 789,110.26 is: 1,183,645.73
Step by Step Solution
- Step 1: Write the proportion equation
1,686,664.29 : 2,529,954.41 = 789,110.26 : x - Step 2: Convert to fraction form
1,686,664.29/2,529,954.41 = 789,110.26/x - Step 3: Cross multiply
1,686,664.29x = 2,529,954.41 × 789,110.26 - Step 4: Simplify right side
1,686,664.29x = 1,996,412,989,781.55 - Step 5: Solve for x
x = 1,996,412,989,781.55/1,686,664.29 - Step 6: Final answer
x = 1,183,645.73
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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.