Finding the Fourth Proportional to 1,310,563.42, 1,808,635.71 and 737,640.70
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Solution
The fourth proportional to 1,310,563.42, 1,808,635.71 and 737,640.70 is: 1,017,976.92
Step by Step Solution
- Step 1: Write the proportion equation
1,310,563.42 : 1,808,635.71 = 737,640.70 : x - Step 2: Convert to fraction form
1,310,563.42/1,808,635.71 = 737,640.70/x - Step 3: Cross multiply
1,310,563.42x = 1,808,635.71 × 737,640.70 - Step 4: Simplify right side
1,310,563.42x = 1,334,123,311,169.40 - Step 5: Solve for x
x = 1,334,123,311,169.40/1,310,563.42 - Step 6: Final answer
x = 1,017,976.92
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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.