Finding the Fourth Proportional to 1,021,625.10, 1,532,765.70 and 452,786.40
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Solution
The fourth proportional to 1,021,625.10, 1,532,765.70 and 452,786.40 is: 679,324.99
Step by Step Solution
- Step 1: Write the proportion equation
1,021,625.10 : 1,532,765.70 = 452,786.40 : x - Step 2: Convert to fraction form
1,021,625.10/1,532,765.70 = 452,786.40/x - Step 3: Cross multiply
1,021,625.10x = 1,532,765.70 × 452,786.40 - Step 4: Simplify right side
1,021,625.10x = 694,015,463,346.48 - Step 5: Solve for x
x = 694,015,463,346.48/1,021,625.10 - Step 6: Final answer
x = 679,324.99
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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.