Finding the Fourth Proportional to 1,419,769.12, 2,129,657.21 and 566,910.20
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Solution
The fourth proportional to 1,419,769.12, 2,129,657.21 and 566,910.20 is: 850,366.71
Step by Step Solution
- Step 1: Write the proportion equation
1,419,769.12 : 2,129,657.21 = 566,910.20 : x - Step 2: Convert to fraction form
1,419,769.12/2,129,657.21 = 566,910.20/x - Step 3: Cross multiply
1,419,769.12x = 2,129,657.21 × 566,910.20 - Step 4: Simplify right side
1,419,769.12x = 1,207,324,396,667.26 - Step 5: Solve for x
x = 1,207,324,396,667.26/1,419,769.12 - Step 6: Final answer
x = 850,366.71
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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.