Finding the Fourth Proportional to 1,418,257.26, 1,957,287.54 and 806,466.96
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Solution
The fourth proportional to 1,418,257.26, 1,957,287.54 and 806,466.96 is: 1,112,977.02
Step by Step Solution
- Step 1: Write the proportion equation
1,418,257.26 : 1,957,287.54 = 806,466.96 : x - Step 2: Convert to fraction form
1,418,257.26/1,957,287.54 = 806,466.96/x - Step 3: Cross multiply
1,418,257.26x = 1,957,287.54 × 806,466.96 - Step 4: Simplify right side
1,418,257.26x = 1,578,487,732,229.68 - Step 5: Solve for x
x = 1,578,487,732,229.68/1,418,257.26 - Step 6: Final answer
x = 1,112,977.02
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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.