Finding the Fourth Proportional to 1,049,821.12, 1,448,739.84 and 590,933.44
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Solution
The fourth proportional to 1,049,821.12, 1,448,739.84 and 590,933.44 is: 815,480.66
Step by Step Solution
- Step 1: Write the proportion equation
1,049,821.12 : 1,448,739.84 = 590,933.44 : x - Step 2: Convert to fraction form
1,049,821.12/1,448,739.84 = 590,933.44/x - Step 3: Cross multiply
1,049,821.12x = 1,448,739.84 × 590,933.44 - Step 4: Simplify right side
1,049,821.12x = 856,108,817,316.25 - Step 5: Solve for x
x = 856,108,817,316.25/1,049,821.12 - Step 6: Final answer
x = 815,480.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.