Finding the Fourth Proportional to 1,213,170.26, 1,674,180.51 and 669,305.75
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Solution
The fourth proportional to 1,213,170.26, 1,674,180.51 and 669,305.75 is: 923,645.00
Step by Step Solution
- Step 1: Write the proportion equation
1,213,170.26 : 1,674,180.51 = 669,305.75 : x - Step 2: Convert to fraction form
1,213,170.26/1,674,180.51 = 669,305.75/x - Step 3: Cross multiply
1,213,170.26x = 1,674,180.51 × 669,305.75 - Step 4: Simplify right side
1,213,170.26x = 1,120,538,641,880.93 - Step 5: Solve for x
x = 1,120,538,641,880.93/1,213,170.26 - Step 6: Final answer
x = 923,645.00
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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.