Finding the Fourth Proportional to 1,355,834.26, 2,031,272.79 and 634,853.26
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Solution
The fourth proportional to 1,355,834.26, 2,031,272.79 and 634,853.26 is: 951,119.32
Step by Step Solution
- Step 1: Write the proportion equation
1,355,834.26 : 2,031,272.79 = 634,853.26 : x - Step 2: Convert to fraction form
1,355,834.26/2,031,272.79 = 634,853.26/x - Step 3: Cross multiply
1,355,834.26x = 2,031,272.79 × 634,853.26 - Step 4: Simplify right side
1,355,834.26x = 1,289,560,152,680.80 - Step 5: Solve for x
x = 1,289,560,152,680.80/1,355,834.26 - Step 6: Final answer
x = 951,119.32
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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.