Finding the Fourth Proportional to 1,207,446.04, 1,666,207.74 and 723,769.12
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Solution
The fourth proportional to 1,207,446.04, 1,666,207.74 and 723,769.12 is: 998,760.75
Step by Step Solution
- Step 1: Write the proportion equation
1,207,446.04 : 1,666,207.74 = 723,769.12 : x - Step 2: Convert to fraction form
1,207,446.04/1,666,207.74 = 723,769.12/x - Step 3: Cross multiply
1,207,446.04x = 1,666,207.74 × 723,769.12 - Step 4: Simplify right side
1,207,446.04x = 1,205,949,709,716.99 - Step 5: Solve for x
x = 1,205,949,709,716.99/1,207,446.04 - Step 6: Final answer
x = 998,760.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.