Finding the Fourth Proportional to 1,107,534.07, 1,661,353.86 and 538,236.91
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Solution
The fourth proportional to 1,107,534.07, 1,661,353.86 and 538,236.91 is: 807,381.00
Step by Step Solution
- Step 1: Write the proportion equation
1,107,534.07 : 1,661,353.86 = 538,236.91 : x - Step 2: Convert to fraction form
1,107,534.07/1,661,353.86 = 538,236.91/x - Step 3: Cross multiply
1,107,534.07x = 1,661,353.86 × 538,236.91 - Step 4: Simplify right side
1,107,534.07x = 894,201,968,022.97 - Step 5: Solve for x
x = 894,201,968,022.97/1,107,534.07 - Step 6: Final answer
x = 807,381.00
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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.