Finding the Fourth Proportional to 1,207,568.26, 1,664,729.05 and 960,386.01
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Solution
The fourth proportional to 1,207,568.26, 1,664,729.05 and 960,386.01 is: 1,323,968.63
Step by Step Solution
- Step 1: Write the proportion equation
1,207,568.26 : 1,664,729.05 = 960,386.01 : x - Step 2: Convert to fraction form
1,207,568.26/1,664,729.05 = 960,386.01/x - Step 3: Cross multiply
1,207,568.26x = 1,664,729.05 × 960,386.01 - Step 4: Simplify right side
1,207,568.26x = 1,598,782,490,060.59 - Step 5: Solve for x
x = 1,598,782,490,060.59/1,207,568.26 - Step 6: Final answer
x = 1,323,968.63
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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.