Finding the Fourth Proportional to 1,252,469.19, 1,728,410.81 and 679,509.36
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Solution
The fourth proportional to 1,252,469.19, 1,728,410.81 and 679,509.36 is: 937,724.72
Step by Step Solution
- Step 1: Write the proportion equation
1,252,469.19 : 1,728,410.81 = 679,509.36 : x - Step 2: Convert to fraction form
1,252,469.19/1,728,410.81 = 679,509.36/x - Step 3: Cross multiply
1,252,469.19x = 1,728,410.81 × 679,509.36 - Step 4: Simplify right side
1,252,469.19x = 1,174,471,319,922.63 - Step 5: Solve for x
x = 1,174,471,319,922.63/1,252,469.19 - Step 6: Final answer
x = 937,724.72
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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.