Finding the Fourth Proportional to 1,317,457.11, 1,974,660.42 and 605,991.99
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Solution
The fourth proportional to 1,317,457.11, 1,974,660.42 and 605,991.99 is: 908,286.42
Step by Step Solution
- Step 1: Write the proportion equation
1,317,457.11 : 1,974,660.42 = 605,991.99 : x - Step 2: Convert to fraction form
1,317,457.11/1,974,660.42 = 605,991.99/x - Step 3: Cross multiply
1,317,457.11x = 1,974,660.42 × 605,991.99 - Step 4: Simplify right side
1,317,457.11x = 1,196,628,397,490.04 - Step 5: Solve for x
x = 1,196,628,397,490.04/1,317,457.11 - Step 6: Final answer
x = 908,286.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.