Finding the Fourth Proportional to 1,080,840.09, 1,491,565.19 and 590,810.28
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Solution
The fourth proportional to 1,080,840.09, 1,491,565.19 and 590,810.28 is: 815,321.39
Step by Step Solution
- Step 1: Write the proportion equation
1,080,840.09 : 1,491,565.19 = 590,810.28 : x - Step 2: Convert to fraction form
1,080,840.09/1,491,565.19 = 590,810.28/x - Step 3: Cross multiply
1,080,840.09x = 1,491,565.19 × 590,810.28 - Step 4: Simplify right side
1,080,840.09x = 881,232,044,588.10 - Step 5: Solve for x
x = 881,232,044,588.10/1,080,840.09 - Step 6: Final answer
x = 815,321.39
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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.