Finding the Fourth Proportional to 1,318,450.68, 1,819,451.88 and 745,511.22
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Solution
The fourth proportional to 1,318,450.68, 1,819,451.88 and 745,511.22 is: 1,028,799.80
Step by Step Solution
- Step 1: Write the proportion equation
1,318,450.68 : 1,819,451.88 = 745,511.22 : x - Step 2: Convert to fraction form
1,318,450.68/1,819,451.88 = 745,511.22/x - Step 3: Cross multiply
1,318,450.68x = 1,819,451.88 × 745,511.22 - Step 4: Simplify right side
1,318,450.68x = 1,356,421,790,790.09 - Step 5: Solve for x
x = 1,356,421,790,790.09/1,318,450.68 - Step 6: Final answer
x = 1,028,799.80
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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.