Finding the Fourth Proportional to 1,258,944.30, 1,888,974.57 and 659,763
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Solution
The fourth proportional to 1,258,944.30, 1,888,974.57 and 659,763 is: 989,936.99
Step by Step Solution
- Step 1: Write the proportion equation
1,258,944.30 : 1,888,974.57 = 659,763 : x - Step 2: Convert to fraction form
1,258,944.30/1,888,974.57 = 659,763/x - Step 3: Cross multiply
1,258,944.30x = 1,888,974.57 × 659,763 - Step 4: Simplify right side
1,258,944.30x = 1,246,275,529,226.91 - Step 5: Solve for x
x = 1,246,275,529,226.91/1,258,944.30 - Step 6: Final answer
x = 989,936.99
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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.