Finding the Fourth Proportional to 1,115,972.72, 1,673,972.76 and 317,252.99
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Solution
The fourth proportional to 1,115,972.72, 1,673,972.76 and 317,252.99 is: 475,883.37
Step by Step Solution
- Step 1: Write the proportion equation
1,115,972.72 : 1,673,972.76 = 317,252.99 : x - Step 2: Convert to fraction form
1,115,972.72/1,673,972.76 = 317,252.99/x - Step 3: Cross multiply
1,115,972.72x = 1,673,972.76 × 317,252.99 - Step 4: Simplify right side
1,115,972.72x = 531,072,856,570.26 - Step 5: Solve for x
x = 531,072,856,570.26/1,115,972.72 - Step 6: Final answer
x = 475,883.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.