Finding the Fourth Proportional to 1,126,198.76, 1,689,429.36 and 368,097.08
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Solution
The fourth proportional to 1,126,198.76, 1,689,429.36 and 368,097.08 is: 552,188.51
Step by Step Solution
- Step 1: Write the proportion equation
1,126,198.76 : 1,689,429.36 = 368,097.08 : x - Step 2: Convert to fraction form
1,126,198.76/1,689,429.36 = 368,097.08/x - Step 3: Cross multiply
1,126,198.76x = 1,689,429.36 × 368,097.08 - Step 4: Simplify right side
1,126,198.76x = 621,874,007,215.49 - Step 5: Solve for x
x = 621,874,007,215.49/1,126,198.76 - Step 6: Final answer
x = 552,188.51
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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.