Finding the Fourth Proportional to 1,126,619.18, 1,689,904.80 and 273,694.84
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Solution
The fourth proportional to 1,126,619.18, 1,689,904.80 and 273,694.84 is: 410,536.44
Step by Step Solution
- Step 1: Write the proportion equation
1,126,619.18 : 1,689,904.80 = 273,694.84 : x - Step 2: Convert to fraction form
1,126,619.18/1,689,904.80 = 273,694.84/x - Step 3: Cross multiply
1,126,619.18x = 1,689,904.80 × 273,694.84 - Step 4: Simplify right side
1,126,619.18x = 462,518,223,851.23 - Step 5: Solve for x
x = 462,518,223,851.23/1,126,619.18 - Step 6: Final answer
x = 410,536.44
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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.