Finding the Fourth Proportional to 1,305,337.14, 1,801,479.24 and 761,648.09
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Solution
The fourth proportional to 1,305,337.14, 1,801,479.24 and 761,648.09 is: 1,051,140.87
Step by Step Solution
- Step 1: Write the proportion equation
1,305,337.14 : 1,801,479.24 = 761,648.09 : x - Step 2: Convert to fraction form
1,305,337.14/1,801,479.24 = 761,648.09/x - Step 3: Cross multiply
1,305,337.14x = 1,801,479.24 × 761,648.09 - Step 4: Simplify right side
1,305,337.14x = 1,372,093,213,313.26 - Step 5: Solve for x
x = 1,372,093,213,313.26/1,305,337.14 - Step 6: Final answer
x = 1,051,140.87
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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.