Finding the Fourth Proportional to 1,251,317.76, 1,726,819.68 and 678,357.44
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Solution
The fourth proportional to 1,251,317.76, 1,726,819.68 and 678,357.44 is: 936,133.90
Step by Step Solution
- Step 1: Write the proportion equation
1,251,317.76 : 1,726,819.68 = 678,357.44 : x - Step 2: Convert to fraction form
1,251,317.76/1,726,819.68 = 678,357.44/x - Step 3: Cross multiply
1,251,317.76x = 1,726,819.68 × 678,357.44 - Step 4: Simplify right side
1,251,317.76x = 1,171,400,977,466.42 - Step 5: Solve for x
x = 1,171,400,977,466.42/1,251,317.76 - Step 6: Final answer
x = 936,133.90
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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.