Finding the Fourth Proportional to 1,331,341.75, 1,837,251.62 and 727,729.75
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Solution
The fourth proportional to 1,331,341.75, 1,837,251.62 and 727,729.75 is: 1,004,267.06
Step by Step Solution
- Step 1: Write the proportion equation
1,331,341.75 : 1,837,251.62 = 727,729.75 : x - Step 2: Convert to fraction form
1,331,341.75/1,837,251.62 = 727,729.75/x - Step 3: Cross multiply
1,331,341.75x = 1,837,251.62 × 727,729.75 - Step 4: Simplify right side
1,331,341.75x = 1,337,022,662,109.70 - Step 5: Solve for x
x = 1,337,022,662,109.70/1,331,341.75 - Step 6: Final answer
x = 1,004,267.06
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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.