Finding the Fourth Proportional to 1,183,469.10, 1,775,203.65 and 384,776.70
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Solution
The fourth proportional to 1,183,469.10, 1,775,203.65 and 384,776.70 is: 577,165.05
Step by Step Solution
- Step 1: Write the proportion equation
1,183,469.10 : 1,775,203.65 = 384,776.70 : x - Step 2: Convert to fraction form
1,183,469.10/1,775,203.65 = 384,776.70/x - Step 3: Cross multiply
1,183,469.10x = 1,775,203.65 × 384,776.70 - Step 4: Simplify right side
1,183,469.10x = 683,057,002,274.96 - Step 5: Solve for x
x = 683,057,002,274.96/1,183,469.10 - Step 6: Final answer
x = 577,165.05
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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.