Finding the Fourth Proportional to 1,237,791.21, 1,708,150.73 and 693,927.12
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Solution
The fourth proportional to 1,237,791.21, 1,708,150.73 and 693,927.12 is: 957,618.78
Step by Step Solution
- Step 1: Write the proportion equation
1,237,791.21 : 1,708,150.73 = 693,927.12 : x - Step 2: Convert to fraction form
1,237,791.21/1,708,150.73 = 693,927.12/x - Step 3: Cross multiply
1,237,791.21x = 1,708,150.73 × 693,927.12 - Step 4: Simplify right side
1,237,791.21x = 1,185,332,113,125.16 - Step 5: Solve for x
x = 1,185,332,113,125.16/1,237,791.21 - Step 6: Final answer
x = 957,618.78
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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.