Finding the Fourth Proportional to 1,313,168.08, 1,812,172.44 and 709,556.08
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Solution
The fourth proportional to 1,313,168.08, 1,812,172.44 and 709,556.08 is: 979,187.65
Step by Step Solution
- Step 1: Write the proportion equation
1,313,168.08 : 1,812,172.44 = 709,556.08 : x - Step 2: Convert to fraction form
1,313,168.08/1,812,172.44 = 709,556.08/x - Step 3: Cross multiply
1,313,168.08x = 1,812,172.44 × 709,556.08 - Step 4: Simplify right side
1,313,168.08x = 1,285,837,972,810.44 - Step 5: Solve for x
x = 1,285,837,972,810.44/1,313,168.08 - Step 6: Final answer
x = 979,187.65
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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.