Finding the Fourth Proportional to 1,040,220.70, 1,560,331.05 and 882,756.70
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Solution
The fourth proportional to 1,040,220.70, 1,560,331.05 and 882,756.70 is: 1,324,135.05
Step by Step Solution
- Step 1: Write the proportion equation
1,040,220.70 : 1,560,331.05 = 882,756.70 : x - Step 2: Convert to fraction form
1,040,220.70/1,560,331.05 = 882,756.70/x - Step 3: Cross multiply
1,040,220.70x = 1,560,331.05 × 882,756.70 - Step 4: Simplify right side
1,040,220.70x = 1,377,392,688,605.53 - Step 5: Solve for x
x = 1,377,392,688,605.53/1,040,220.70 - Step 6: Final answer
x = 1,324,135.05
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1.5x scale
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.