Finding the Fourth Proportional to 1,275,510.99, 1,760,284.94 and 702,551.01
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Solution
The fourth proportional to 1,275,510.99, 1,760,284.94 and 702,551.01 is: 969,564.33
Step by Step Solution
- Step 1: Write the proportion equation
1,275,510.99 : 1,760,284.94 = 702,551.01 : x - Step 2: Convert to fraction form
1,275,510.99/1,760,284.94 = 702,551.01/x - Step 3: Cross multiply
1,275,510.99x = 1,760,284.94 × 702,551.01 - Step 4: Simplify right side
1,275,510.99x = 1,236,689,958,972.03 - Step 5: Solve for x
x = 1,236,689,958,972.03/1,275,510.99 - Step 6: Final answer
x = 969,564.33
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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.