Finding the Fourth Proportional to 1,252,479.42, 1,728,424.71 and 679,519.44
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Solution
The fourth proportional to 1,252,479.42, 1,728,424.71 and 679,519.44 is: 937,738.51
Step by Step Solution
- Step 1: Write the proportion equation
1,252,479.42 : 1,728,424.71 = 679,519.44 : x - Step 2: Convert to fraction form
1,252,479.42/1,728,424.71 = 679,519.44/x - Step 3: Cross multiply
1,252,479.42x = 1,728,424.71 × 679,519.44 - Step 4: Simplify right side
1,252,479.42x = 1,174,498,191,021.36 - Step 5: Solve for x
x = 1,174,498,191,021.36/1,252,479.42 - Step 6: Final answer
x = 937,738.51
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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.