Finding the Fourth Proportional to 1,352,240.11, 1,866,091.79 and 740,431.64
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Solution
The fourth proportional to 1,352,240.11, 1,866,091.79 and 740,431.64 is: 1,021,795.90
Step by Step Solution
- Step 1: Write the proportion equation
1,352,240.11 : 1,866,091.79 = 740,431.64 : x - Step 2: Convert to fraction form
1,352,240.11/1,866,091.79 = 740,431.64/x - Step 3: Cross multiply
1,352,240.11x = 1,866,091.79 × 740,431.64 - Step 4: Simplify right side
1,352,240.11x = 1,381,713,404,460.24 - Step 5: Solve for x
x = 1,381,713,404,460.24/1,352,240.11 - Step 6: Final answer
x = 1,021,795.90
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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.