Finding the Fourth Proportional to 1,259,693.99, 1,890,632.82 and 661,078.07
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Solution
The fourth proportional to 1,259,693.99, 1,890,632.82 and 661,078.07 is: 992,190.09
Step by Step Solution
- Step 1: Write the proportion equation
1,259,693.99 : 1,890,632.82 = 661,078.07 : x - Step 2: Convert to fraction form
1,259,693.99/1,890,632.82 = 661,078.07/x - Step 3: Cross multiply
1,259,693.99x = 1,890,632.82 × 661,078.07 - Step 4: Simplify right side
1,259,693.99x = 1,249,855,895,724.26 - Step 5: Solve for x
x = 1,249,855,895,724.26/1,259,693.99 - Step 6: Final answer
x = 992,190.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.