Finding the Fourth Proportional to 1,313,201.70, 1,968,344.55 and 514,217.70
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Solution
The fourth proportional to 1,313,201.70, 1,968,344.55 and 514,217.70 is: 770,755.63
Step by Step Solution
- Step 1: Write the proportion equation
1,313,201.70 : 1,968,344.55 = 514,217.70 : x - Step 2: Convert to fraction form
1,313,201.70/1,968,344.55 = 514,217.70/x - Step 3: Cross multiply
1,313,201.70x = 1,968,344.55 × 514,217.70 - Step 4: Simplify right side
1,313,201.70x = 1,012,157,607,308.54 - Step 5: Solve for x
x = 1,012,157,607,308.54/1,313,201.70 - Step 6: Final answer
x = 770,755.63
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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.