Finding the Fourth Proportional to 1,160,764.49, 1,601,858.34 and 644,519.49
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Solution
The fourth proportional to 1,160,764.49, 1,601,858.34 and 644,519.49 is: 889,438.76
Step by Step Solution
- Step 1: Write the proportion equation
1,160,764.49 : 1,601,858.34 = 644,519.49 : x - Step 2: Convert to fraction form
1,160,764.49/1,601,858.34 = 644,519.49/x - Step 3: Cross multiply
1,160,764.49x = 1,601,858.34 × 644,519.49 - Step 4: Simplify right side
1,160,764.49x = 1,032,428,920,349.05 - Step 5: Solve for x
x = 1,032,428,920,349.05/1,160,764.49 - Step 6: Final answer
x = 889,438.76
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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.