Finding the Fourth Proportional to 1,048,246.80, 1,568,482.20 and 768,310.80
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Solution
The fourth proportional to 1,048,246.80, 1,568,482.20 and 768,310.80 is: 1,149,616.50
Step by Step Solution
- Step 1: Write the proportion equation
1,048,246.80 : 1,568,482.20 = 768,310.80 : x - Step 2: Convert to fraction form
1,048,246.80/1,568,482.20 = 768,310.80/x - Step 3: Cross multiply
1,048,246.80x = 1,568,482.20 × 768,310.80 - Step 4: Simplify right side
1,048,246.80x = 1,205,081,813,867.76 - Step 5: Solve for x
x = 1,205,081,813,867.76/1,048,246.80 - Step 6: Final answer
x = 1,149,616.50
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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.