Finding the Fourth Proportional to 1,322,467.23, 1,983,887.66 and 423,698.73
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Solution
The fourth proportional to 1,322,467.23, 1,983,887.66 and 423,698.73 is: 635,607.95
Step by Step Solution
- Step 1: Write the proportion equation
1,322,467.23 : 1,983,887.66 = 423,698.73 : x - Step 2: Convert to fraction form
1,322,467.23/1,983,887.66 = 423,698.73/x - Step 3: Cross multiply
1,322,467.23x = 1,983,887.66 × 423,698.73 - Step 4: Simplify right side
1,322,467.23x = 840,570,682,004.67 - Step 5: Solve for x
x = 840,570,682,004.67/1,322,467.23 - Step 6: Final answer
x = 635,607.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.