Finding the Fourth Proportional to 1,126,555.44, 1,689,818.16 and 273,634.08
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Solution
The fourth proportional to 1,126,555.44, 1,689,818.16 and 273,634.08 is: 410,447.48
Step by Step Solution
- Step 1: Write the proportion equation
1,126,555.44 : 1,689,818.16 = 273,634.08 : x - Step 2: Convert to fraction form
1,126,555.44/1,689,818.16 = 273,634.08/x - Step 3: Cross multiply
1,126,555.44x = 1,689,818.16 × 273,634.08 - Step 4: Simplify right side
1,126,555.44x = 462,391,837,578.89 - Step 5: Solve for x
x = 462,391,837,578.89/1,126,555.44 - Step 6: Final answer
x = 410,447.48
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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.