Finding the Fourth Proportional to 1,201,649.38, 1,658,162.73 and 718,118.26
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Solution
The fourth proportional to 1,201,649.38, 1,658,162.73 and 718,118.26 is: 990,935.42
Step by Step Solution
- Step 1: Write the proportion equation
1,201,649.38 : 1,658,162.73 = 718,118.26 : x - Step 2: Convert to fraction form
1,201,649.38/1,658,162.73 = 718,118.26/x - Step 3: Cross multiply
1,201,649.38x = 1,658,162.73 × 718,118.26 - Step 4: Simplify right side
1,201,649.38x = 1,190,756,934,464.45 - Step 5: Solve for x
x = 1,190,756,934,464.45/1,201,649.38 - Step 6: Final answer
x = 990,935.42
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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.