Finding the Fourth Proportional to 1,332,549.28, 1,838,917.94 and 720,702.08
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Solution
The fourth proportional to 1,332,549.28, 1,838,917.94 and 720,702.08 is: 994,568.84
Step by Step Solution
- Step 1: Write the proportion equation
1,332,549.28 : 1,838,917.94 = 720,702.08 : x - Step 2: Convert to fraction form
1,332,549.28/1,838,917.94 = 720,702.08/x - Step 3: Cross multiply
1,332,549.28x = 1,838,917.94 × 720,702.08 - Step 4: Simplify right side
1,332,549.28x = 1,325,311,987,631.06 - Step 5: Solve for x
x = 1,325,311,987,631.06/1,332,549.28 - Step 6: Final answer
x = 994,568.84
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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.