Finding the Fourth Proportional to 1,299,743.80, 1,949,615.70 and 984,815.80
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Solution
The fourth proportional to 1,299,743.80, 1,949,615.70 and 984,815.80 is: 1,477,223.70
Step by Step Solution
- Step 1: Write the proportion equation
1,299,743.80 : 1,949,615.70 = 984,815.80 : x - Step 2: Convert to fraction form
1,299,743.80/1,949,615.70 = 984,815.80/x - Step 3: Cross multiply
1,299,743.80x = 1,949,615.70 × 984,815.80 - Step 4: Simplify right side
1,299,743.80x = 1,920,012,345,288.06 - Step 5: Solve for x
x = 1,920,012,345,288.06/1,299,743.80 - Step 6: Final answer
x = 1,477,223.70
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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.