Finding the Fourth Proportional to 1,284,373.97, 1,925,170.38 and 835,415.67
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Solution
The fourth proportional to 1,284,373.97, 1,925,170.38 and 835,415.67 is: 1,252,219.01
Step by Step Solution
- Step 1: Write the proportion equation
1,284,373.97 : 1,925,170.38 = 835,415.67 : x - Step 2: Convert to fraction form
1,284,373.97/1,925,170.38 = 835,415.67/x - Step 3: Cross multiply
1,284,373.97x = 1,925,170.38 × 835,415.67 - Step 4: Simplify right side
1,284,373.97x = 1,608,317,498,694.78 - Step 5: Solve for x
x = 1,608,317,498,694.78/1,284,373.97 - Step 6: Final answer
x = 1,252,219.01
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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.