Finding the Fourth Proportional to 1,385,273.20, 2,076,354.60 and 586,418.80
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Solution
The fourth proportional to 1,385,273.20, 2,076,354.60 and 586,418.80 is: 878,969.85
Step by Step Solution
- Step 1: Write the proportion equation
1,385,273.20 : 2,076,354.60 = 586,418.80 : x - Step 2: Convert to fraction form
1,385,273.20/2,076,354.60 = 586,418.80/x - Step 3: Cross multiply
1,385,273.20x = 2,076,354.60 × 586,418.80 - Step 4: Simplify right side
1,385,273.20x = 1,217,613,372,906.48 - Step 5: Solve for x
x = 1,217,613,372,906.48/1,385,273.20 - Step 6: Final answer
x = 878,969.85
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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.