Finding the Fourth Proportional to 1,214,236.71, 1,675,603.26 and 670,361.40
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Solution
The fourth proportional to 1,214,236.71, 1,675,603.26 and 670,361.40 is: 925,074.77
Step by Step Solution
- Step 1: Write the proportion equation
1,214,236.71 : 1,675,603.26 = 670,361.40 : x - Step 2: Convert to fraction form
1,214,236.71/1,675,603.26 = 670,361.40/x - Step 3: Cross multiply
1,214,236.71x = 1,675,603.26 × 670,361.40 - Step 4: Simplify right side
1,214,236.71x = 1,123,259,747,218.16 - Step 5: Solve for x
x = 1,123,259,747,218.16/1,214,236.71 - Step 6: Final answer
x = 925,074.77
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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.