Finding the Fourth Proportional to 1,354,268.36, 2,030,811.99 and 512,229.62
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Solution
The fourth proportional to 1,354,268.36, 2,030,811.99 and 512,229.62 is: 768,121.07
Step by Step Solution
- Step 1: Write the proportion equation
1,354,268.36 : 2,030,811.99 = 512,229.62 : x - Step 2: Convert to fraction form
1,354,268.36/2,030,811.99 = 512,229.62/x - Step 3: Cross multiply
1,354,268.36x = 2,030,811.99 × 512,229.62 - Step 4: Simplify right side
1,354,268.36x = 1,040,242,057,085.31 - Step 5: Solve for x
x = 1,040,242,057,085.31/1,354,268.36 - Step 6: Final answer
x = 768,121.07
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1.5x scale
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.