Finding the Fourth Proportional to 1,338,640.75, 1,847,324.28 and 735,028.75
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Solution
The fourth proportional to 1,338,640.75, 1,847,324.28 and 735,028.75 is: 1,014,339.70
Step by Step Solution
- Step 1: Write the proportion equation
1,338,640.75 : 1,847,324.28 = 735,028.75 : x - Step 2: Convert to fraction form
1,338,640.75/1,847,324.28 = 735,028.75/x - Step 3: Cross multiply
1,338,640.75x = 1,847,324.28 × 735,028.75 - Step 4: Simplify right side
1,338,640.75x = 1,357,836,456,373.05 - Step 5: Solve for x
x = 1,357,836,456,373.05/1,338,640.75 - Step 6: Final answer
x = 1,014,339.70
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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.