Finding the Fourth Proportional to 1,252,480.42, 1,728,426.09 and 679,520.44
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Solution
The fourth proportional to 1,252,480.42, 1,728,426.09 and 679,520.44 is: 937,739.89
Step by Step Solution
- Step 1: Write the proportion equation
1,252,480.42 : 1,728,426.09 = 679,520.44 : x - Step 2: Convert to fraction form
1,252,480.42/1,728,426.09 = 679,520.44/x - Step 3: Cross multiply
1,252,480.42x = 1,728,426.09 × 679,520.44 - Step 4: Simplify right side
1,252,480.42x = 1,174,500,857,184.28 - Step 5: Solve for x
x = 1,174,500,857,184.28/1,252,480.42 - Step 6: Final answer
x = 937,739.89
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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.