Finding the Fourth Proportional to 1,338,765.94, 1,847,478.09 and 757,974.10
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Solution
The fourth proportional to 1,338,765.94, 1,847,478.09 and 757,974.10 is: 1,045,993.55
Step by Step Solution
- Step 1: Write the proportion equation
1,338,765.94 : 1,847,478.09 = 757,974.10 : x - Step 2: Convert to fraction form
1,338,765.94/1,847,478.09 = 757,974.10/x - Step 3: Cross multiply
1,338,765.94x = 1,847,478.09 × 757,974.10 - Step 4: Simplify right side
1,338,765.94x = 1,400,340,542,537.47 - Step 5: Solve for x
x = 1,400,340,542,537.47/1,338,765.94 - Step 6: Final answer
x = 1,045,993.55
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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.