Finding the Fourth Proportional to 1,384,567.20, 2,076,850.80 and 785,296.80
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Solution
The fourth proportional to 1,384,567.20, 2,076,850.80 and 785,296.80 is: 1,177,945.20
Step by Step Solution
- Step 1: Write the proportion equation
1,384,567.20 : 2,076,850.80 = 785,296.80 : x - Step 2: Convert to fraction form
1,384,567.20/2,076,850.80 = 785,296.80/x - Step 3: Cross multiply
1,384,567.20x = 2,076,850.80 × 785,296.80 - Step 4: Simplify right side
1,384,567.20x = 1,630,944,287,317.44 - Step 5: Solve for x
x = 1,630,944,287,317.44/1,384,567.20 - Step 6: Final answer
x = 1,177,945.20
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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.