Finding the Fourth Proportional to 1,072,151.36, 1,479,467.04 and 642,351.68
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Solution
The fourth proportional to 1,072,151.36, 1,479,467.04 and 642,351.68 is: 886,384.31
Step by Step Solution
- Step 1: Write the proportion equation
1,072,151.36 : 1,479,467.04 = 642,351.68 : x - Step 2: Convert to fraction form
1,072,151.36/1,479,467.04 = 642,351.68/x - Step 3: Cross multiply
1,072,151.36x = 1,479,467.04 × 642,351.68 - Step 4: Simplify right side
1,072,151.36x = 950,338,138,648.63 - Step 5: Solve for x
x = 950,338,138,648.63/1,072,151.36 - Step 6: Final answer
x = 886,384.31
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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.