Finding the Fourth Proportional to 1,258,940.96, 1,888,969.68 and 659,759.68
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Solution
The fourth proportional to 1,258,940.96, 1,888,969.68 and 659,759.68 is: 989,932.07
Step by Step Solution
- Step 1: Write the proportion equation
1,258,940.96 : 1,888,969.68 = 659,759.68 : x - Step 2: Convert to fraction form
1,258,940.96/1,888,969.68 = 659,759.68/x - Step 3: Cross multiply
1,258,940.96x = 1,888,969.68 × 659,759.68 - Step 4: Simplify right side
1,258,940.96x = 1,246,266,031,606.50 - Step 5: Solve for x
x = 1,246,266,031,606.50/1,258,940.96 - Step 6: Final answer
x = 989,932.07
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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.