Finding the Fourth Proportional to 1,425,645.26, 1,965,814.34 and 908,580.81
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Solution
The fourth proportional to 1,425,645.26, 1,965,814.34 and 908,580.81 is: 1,252,837.04
Step by Step Solution
- Step 1: Write the proportion equation
1,425,645.26 : 1,965,814.34 = 908,580.81 : x - Step 2: Convert to fraction form
1,425,645.26/1,965,814.34 = 908,580.81/x - Step 3: Cross multiply
1,425,645.26x = 1,965,814.34 × 908,580.81 - Step 4: Simplify right side
1,425,645.26x = 1,786,101,180,803.91 - Step 5: Solve for x
x = 1,786,101,180,803.91/1,425,645.26 - Step 6: Final answer
x = 1,252,837.04
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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.