Finding the Fourth Proportional to 1,230,558.91, 1,698,171.60 and 679,274.92
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Solution
The fourth proportional to 1,230,558.91, 1,698,171.60 and 679,274.92 is: 937,399.56
Step by Step Solution
- Step 1: Write the proportion equation
1,230,558.91 : 1,698,171.60 = 679,274.92 : x - Step 2: Convert to fraction form
1,230,558.91/1,698,171.60 = 679,274.92/x - Step 3: Cross multiply
1,230,558.91x = 1,698,171.60 × 679,274.92 - Step 4: Simplify right side
1,230,558.91x = 1,153,525,379,858.99 - Step 5: Solve for x
x = 1,153,525,379,858.99/1,230,558.91 - Step 6: Final answer
x = 937,399.56
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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.