Finding the Fourth Proportional to 1,170,075.13, 1,755,112.69 and 283,611.13
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Solution
The fourth proportional to 1,170,075.13, 1,755,112.69 and 283,611.13 is: 425,416.69
Step by Step Solution
- Step 1: Write the proportion equation
1,170,075.13 : 1,755,112.69 = 283,611.13 : x - Step 2: Convert to fraction form
1,170,075.13/1,755,112.69 = 283,611.13/x - Step 3: Cross multiply
1,170,075.13x = 1,755,112.69 × 283,611.13 - Step 4: Simplify right side
1,170,075.13x = 497,769,493,288.24 - Step 5: Solve for x
x = 497,769,493,288.24/1,170,075.13 - Step 6: Final answer
x = 425,416.69
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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.