Finding the Fourth Proportional to 1,372,287.52, 1,893,767.95 and 760,450.58
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Solution
The fourth proportional to 1,372,287.52, 1,893,767.95 and 760,450.58 is: 1,049,427.99
Step by Step Solution
- Step 1: Write the proportion equation
1,372,287.52 : 1,893,767.95 = 760,450.58 : x - Step 2: Convert to fraction form
1,372,287.52/1,893,767.95 = 760,450.58/x - Step 3: Cross multiply
1,372,287.52x = 1,893,767.95 × 760,450.58 - Step 4: Simplify right side
1,372,287.52x = 1,440,116,934,546.26 - Step 5: Solve for x
x = 1,440,116,934,546.26/1,372,287.52 - Step 6: Final answer
x = 1,049,427.99
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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.