Finding the Fourth Proportional to 1,171,060.74, 1,616,076.36 and 687,631.68
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Solution
The fourth proportional to 1,171,060.74, 1,616,076.36 and 687,631.68 is: 948,939.08
Step by Step Solution
- Step 1: Write the proportion equation
1,171,060.74 : 1,616,076.36 = 687,631.68 : x - Step 2: Convert to fraction form
1,171,060.74/1,616,076.36 = 687,631.68/x - Step 3: Cross multiply
1,171,060.74x = 1,616,076.36 × 687,631.68 - Step 4: Simplify right side
1,171,060.74x = 1,111,265,302,435.09 - Step 5: Solve for x
x = 1,111,265,302,435.09/1,171,060.74 - Step 6: Final answer
x = 948,939.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.