Finding the Fourth Proportional to 1,379,357.11, 2,067,693.76 and 659,511.73
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Solution
The fourth proportional to 1,379,357.11, 2,067,693.76 and 659,511.73 is: 988,625.99
Step by Step Solution
- Step 1: Write the proportion equation
1,379,357.11 : 2,067,693.76 = 659,511.73 : x - Step 2: Convert to fraction form
1,379,357.11/2,067,693.76 = 659,511.73/x - Step 3: Cross multiply
1,379,357.11x = 2,067,693.76 × 659,511.73 - Step 4: Simplify right side
1,379,357.11x = 1,363,668,288,767.80 - Step 5: Solve for x
x = 1,363,668,288,767.80/1,379,357.11 - Step 6: Final answer
x = 988,625.99
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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.