Finding the Fourth Proportional to 1,444,163.77, 1,992,976.41 and 790,817.23
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Solution
The fourth proportional to 1,444,163.77, 1,992,976.41 and 790,817.23 is: 1,091,344.43
Step by Step Solution
- Step 1: Write the proportion equation
1,444,163.77 : 1,992,976.41 = 790,817.23 : x - Step 2: Convert to fraction form
1,444,163.77/1,992,976.41 = 790,817.23/x - Step 3: Cross multiply
1,444,163.77x = 1,992,976.41 × 790,817.23 - Step 4: Simplify right side
1,444,163.77x = 1,576,080,084,011.54 - Step 5: Solve for x
x = 1,576,080,084,011.54/1,444,163.77 - Step 6: Final answer
x = 1,091,344.43
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1.5x scale
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.