Finding the Fourth Proportional to 1,115,874.82, 1,673,560.72 and 317,138.68
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Solution
The fourth proportional to 1,115,874.82, 1,673,560.72 and 317,138.68 is: 475,636.54
Step by Step Solution
- Step 1: Write the proportion equation
1,115,874.82 : 1,673,560.72 = 317,138.68 : x - Step 2: Convert to fraction form
1,115,874.82/1,673,560.72 = 317,138.68/x - Step 3: Cross multiply
1,115,874.82x = 1,673,560.72 × 317,138.68 - Step 4: Simplify right side
1,115,874.82x = 530,750,837,640.65 - Step 5: Solve for x
x = 530,750,837,640.65/1,115,874.82 - Step 6: Final answer
x = 475,636.54
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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.