Finding the Fourth Proportional to 1,275,947.51, 1,760,806.61 and 702,987.68
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Solution
The fourth proportional to 1,275,947.51, 1,760,806.61 and 702,987.68 is: 970,122.47
Step by Step Solution
- Step 1: Write the proportion equation
1,275,947.51 : 1,760,806.61 = 702,987.68 : x - Step 2: Convert to fraction form
1,275,947.51/1,760,806.61 = 702,987.68/x - Step 3: Cross multiply
1,275,947.51x = 1,760,806.61 × 702,987.68 - Step 4: Simplify right side
1,275,947.51x = 1,237,825,350,177.63 - Step 5: Solve for x
x = 1,237,825,350,177.63/1,275,947.51 - Step 6: Final answer
x = 970,122.47
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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.