Finding the Fourth Proportional to 1,258,944.96, 1,888,975.68 and 659,763.68
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Solution
The fourth proportional to 1,258,944.96, 1,888,975.68 and 659,763.68 is: 989,938.07
Step by Step Solution
- Step 1: Write the proportion equation
1,258,944.96 : 1,888,975.68 = 659,763.68 : x - Step 2: Convert to fraction form
1,258,944.96/1,888,975.68 = 659,763.68/x - Step 3: Cross multiply
1,258,944.96x = 1,888,975.68 × 659,763.68 - Step 4: Simplify right side
1,258,944.96x = 1,246,277,546,067.30 - Step 5: Solve for x
x = 1,246,277,546,067.30/1,258,944.96 - Step 6: Final answer
x = 989,938.07
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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.