Finding the Fourth Proportional to 1,126,619.68, 1,689,905.55 and 273,695.34
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Solution
The fourth proportional to 1,126,619.68, 1,689,905.55 and 273,695.34 is: 410,537.19
Step by Step Solution
- Step 1: Write the proportion equation
1,126,619.68 : 1,689,905.55 = 273,695.34 : x - Step 2: Convert to fraction form
1,126,619.68/1,689,905.55 = 273,695.34/x - Step 3: Cross multiply
1,126,619.68x = 1,689,905.55 × 273,695.34 - Step 4: Simplify right side
1,126,619.68x = 462,519,274,075.14 - Step 5: Solve for x
x = 462,519,274,075.14/1,126,619.68 - Step 6: Final answer
x = 410,537.19
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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.