Finding the Fourth Proportional to 1,331,453.62, 1,837,403.49 and 727,841.62
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Solution
The fourth proportional to 1,331,453.62, 1,837,403.49 and 727,841.62 is: 1,004,420.07
Step by Step Solution
- Step 1: Write the proportion equation
1,331,453.62 : 1,837,403.49 = 727,841.62 : x - Step 2: Convert to fraction form
1,331,453.62/1,837,403.49 = 727,841.62/x - Step 3: Cross multiply
1,331,453.62x = 1,837,403.49 × 727,841.62 - Step 4: Simplify right side
1,331,453.62x = 1,337,338,732,755.25 - Step 5: Solve for x
x = 1,337,338,732,755.25/1,331,453.62 - Step 6: Final answer
x = 1,004,420.07
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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.