Finding the Fourth Proportional to 1,433,251.98, 1,977,827.97 and 779,880.54
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Solution
The fourth proportional to 1,433,251.98, 1,977,827.97 and 779,880.54 is: 1,076,202.63
Step by Step Solution
- Step 1: Write the proportion equation
1,433,251.98 : 1,977,827.97 = 779,880.54 : x - Step 2: Convert to fraction form
1,433,251.98/1,977,827.97 = 779,880.54/x - Step 3: Cross multiply
1,433,251.98x = 1,977,827.97 × 779,880.54 - Step 4: Simplify right side
1,433,251.98x = 1,542,469,545,270.70 - Step 5: Solve for x
x = 1,542,469,545,270.70/1,433,251.98 - Step 6: Final answer
x = 1,076,202.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.