Finding the Fourth Proportional to 1,347,644.26, 1,859,912.16 and 767,008.57
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Solution
The fourth proportional to 1,347,644.26, 1,859,912.16 and 767,008.57 is: 1,058,564.65
Step by Step Solution
- Step 1: Write the proportion equation
1,347,644.26 : 1,859,912.16 = 767,008.57 : x - Step 2: Convert to fraction form
1,347,644.26/1,859,912.16 = 767,008.57/x - Step 3: Cross multiply
1,347,644.26x = 1,859,912.16 × 767,008.57 - Step 4: Simplify right side
1,347,644.26x = 1,426,568,571,368.38 - Step 5: Solve for x
x = 1,426,568,571,368.38/1,347,644.26 - Step 6: Final answer
x = 1,058,564.65
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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.