Finding the Fourth Proportional to 1,384,455.70, 2,072,536.35 and 823,201.30
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Solution
The fourth proportional to 1,384,455.70, 2,072,536.35 and 823,201.30 is: 1,232,336.01
Step by Step Solution
- Step 1: Write the proportion equation
1,384,455.70 : 2,072,536.35 = 823,201.30 : x - Step 2: Convert to fraction form
1,384,455.70/2,072,536.35 = 823,201.30/x - Step 3: Cross multiply
1,384,455.70x = 2,072,536.35 × 823,201.30 - Step 4: Simplify right side
1,384,455.70x = 1,706,114,617,617.26 - Step 5: Solve for x
x = 1,706,114,617,617.26/1,384,455.70 - Step 6: Final answer
x = 1,232,336.01
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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.