Finding the Fourth Proportional to 1,036,682.54, 1,554,918.66 and 278,425.46
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Solution
The fourth proportional to 1,036,682.54, 1,554,918.66 and 278,425.46 is: 417,609.95
Step by Step Solution
- Step 1: Write the proportion equation
1,036,682.54 : 1,554,918.66 = 278,425.46 : x - Step 2: Convert to fraction form
1,036,682.54/1,554,918.66 = 278,425.46/x - Step 3: Cross multiply
1,036,682.54x = 1,554,918.66 × 278,425.46 - Step 4: Simplify right side
1,036,682.54x = 432,928,943,173.08 - Step 5: Solve for x
x = 432,928,943,173.08/1,036,682.54 - Step 6: Final answer
x = 417,609.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.