Finding the Fourth Proportional to 1,302,645.78, 1,797,750.91 and 819,624.96
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Solution
The fourth proportional to 1,302,645.78, 1,797,750.91 and 819,624.96 is: 1,131,145.20
Step by Step Solution
- Step 1: Write the proportion equation
1,302,645.78 : 1,797,750.91 = 819,624.96 : x - Step 2: Convert to fraction form
1,302,645.78/1,797,750.91 = 819,624.96/x - Step 3: Cross multiply
1,302,645.78x = 1,797,750.91 × 819,624.96 - Step 4: Simplify right side
1,302,645.78x = 1,473,481,517,698.71 - Step 5: Solve for x
x = 1,473,481,517,698.71/1,302,645.78 - Step 6: Final answer
x = 1,131,145.20
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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.