Finding the Fourth Proportional to 1,251,154.49, 1,728,028.08 and 823,344.48
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Solution
The fourth proportional to 1,251,154.49, 1,728,028.08 and 823,344.48 is: 1,137,159.64
Step by Step Solution
- Step 1: Write the proportion equation
1,251,154.49 : 1,728,028.08 = 823,344.48 : x - Step 2: Convert to fraction form
1,251,154.49/1,728,028.08 = 823,344.48/x - Step 3: Cross multiply
1,251,154.49x = 1,728,028.08 × 823,344.48 - Step 4: Simplify right side
1,251,154.49x = 1,422,762,380,953.00 - Step 5: Solve for x
x = 1,422,762,380,953.00/1,251,154.49 - Step 6: Final answer
x = 1,137,159.64
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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.