Finding the Fourth Proportional to 1,287,753.24, 1,930,447.26 and 445,716.12
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Solution
The fourth proportional to 1,287,753.24, 1,930,447.26 and 445,716.12 is: 668,164.86
Step by Step Solution
- Step 1: Write the proportion equation
1,287,753.24 : 1,930,447.26 = 445,716.12 : x - Step 2: Convert to fraction form
1,287,753.24/1,930,447.26 = 445,716.12/x - Step 3: Cross multiply
1,287,753.24x = 1,930,447.26 × 445,716.12 - Step 4: Simplify right side
1,287,753.24x = 860,431,462,591.83 - Step 5: Solve for x
x = 860,431,462,591.83/1,287,753.24 - Step 6: Final answer
x = 668,164.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.