Finding the Fourth Proportional to 1,321,236.88, 1,823,245.68 and 748,281.24
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Solution
The fourth proportional to 1,321,236.88, 1,823,245.68 and 748,281.24 is: 1,032,593.44
Step by Step Solution
- Step 1: Write the proportion equation
1,321,236.88 : 1,823,245.68 = 748,281.24 : x - Step 2: Convert to fraction form
1,321,236.88/1,823,245.68 = 748,281.24/x - Step 3: Cross multiply
1,321,236.88x = 1,823,245.68 × 748,281.24 - Step 4: Simplify right side
1,321,236.88x = 1,364,300,538,255.04 - Step 5: Solve for x
x = 1,364,300,538,255.04/1,321,236.88 - Step 6: Final answer
x = 1,032,593.44
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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.