Finding the Fourth Proportional to 1,282,922.36, 1,770,437.55 and 694,221.80
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Solution
The fourth proportional to 1,282,922.36, 1,770,437.55 and 694,221.80 is: 958,028.62
Step by Step Solution
- Step 1: Write the proportion equation
1,282,922.36 : 1,770,437.55 = 694,221.80 : x - Step 2: Convert to fraction form
1,282,922.36/1,770,437.55 = 694,221.80/x - Step 3: Cross multiply
1,282,922.36x = 1,770,437.55 × 694,221.80 - Step 4: Simplify right side
1,282,922.36x = 1,229,076,333,896.40 - Step 5: Solve for x
x = 1,229,076,333,896.40/1,282,922.36 - Step 6: Final answer
x = 958,028.62
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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.