Finding the Fourth Proportional to 1,331,511.12, 1,837,485.36 and 727,899.12
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Solution
The fourth proportional to 1,331,511.12, 1,837,485.36 and 727,899.12 is: 1,004,500.79
Step by Step Solution
- Step 1: Write the proportion equation
1,331,511.12 : 1,837,485.36 = 727,899.12 : x - Step 2: Convert to fraction form
1,331,511.12/1,837,485.36 = 727,899.12/x - Step 3: Cross multiply
1,331,511.12x = 1,837,485.36 × 727,899.12 - Step 4: Simplify right side
1,331,511.12x = 1,337,503,976,556.88 - Step 5: Solve for x
x = 1,337,503,976,556.88/1,331,511.12 - Step 6: Final answer
x = 1,004,500.79
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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.