Finding the Fourth Proportional to 1,228,885.36, 1,844,163.96 and 754,121.68
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Solution
The fourth proportional to 1,228,885.36, 1,844,163.96 and 754,121.68 is: 1,131,695.49
Step by Step Solution
- Step 1: Write the proportion equation
1,228,885.36 : 1,844,163.96 = 754,121.68 : x - Step 2: Convert to fraction form
1,228,885.36/1,844,163.96 = 754,121.68/x - Step 3: Cross multiply
1,228,885.36x = 1,844,163.96 × 754,121.68 - Step 4: Simplify right side
1,228,885.36x = 1,390,724,023,710.65 - Step 5: Solve for x
x = 1,390,724,023,710.65/1,228,885.36 - Step 6: Final answer
x = 1,131,695.49
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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.