Finding the Fourth Proportional to 1,378,464.26, 1,902,367.77 and 774,891.14
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Solution
The fourth proportional to 1,378,464.26, 1,902,367.77 and 774,891.14 is: 1,069,398.73
Step by Step Solution
- Step 1: Write the proportion equation
1,378,464.26 : 1,902,367.77 = 774,891.14 : x - Step 2: Convert to fraction form
1,378,464.26/1,902,367.77 = 774,891.14/x - Step 3: Cross multiply
1,378,464.26x = 1,902,367.77 × 774,891.14 - Step 4: Simplify right side
1,378,464.26x = 1,474,127,929,994.56 - Step 5: Solve for x
x = 1,474,127,929,994.56/1,378,464.26 - Step 6: Final answer
x = 1,069,398.73
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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.