Finding the Fourth Proportional to 1,248,934.94, 1,723,571.98 and 765,406.66
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Solution
The fourth proportional to 1,248,934.94, 1,723,571.98 and 765,406.66 is: 1,056,286.79
Step by Step Solution
- Step 1: Write the proportion equation
1,248,934.94 : 1,723,571.98 = 765,406.66 : x - Step 2: Convert to fraction form
1,248,934.94/1,723,571.98 = 765,406.66/x - Step 3: Cross multiply
1,248,934.94x = 1,723,571.98 × 765,406.66 - Step 4: Simplify right side
1,248,934.94x = 1,319,233,472,481.39 - Step 5: Solve for x
x = 1,319,233,472,481.39/1,248,934.94 - Step 6: Final answer
x = 1,056,286.79
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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.