Finding the Fourth Proportional to 1,122,896.01, 1,549,634.73 and 613,631.19
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Solution
The fourth proportional to 1,122,896.01, 1,549,634.73 and 613,631.19 is: 846,831.94
Step by Step Solution
- Step 1: Write the proportion equation
1,122,896.01 : 1,549,634.73 = 613,631.19 : x - Step 2: Convert to fraction form
1,122,896.01/1,549,634.73 = 613,631.19/x - Step 3: Cross multiply
1,122,896.01x = 1,549,634.73 × 613,631.19 - Step 4: Simplify right side
1,122,896.01x = 950,904,203,435.23 - Step 5: Solve for x
x = 950,904,203,435.23/1,122,896.01 - Step 6: Final answer
x = 846,831.94
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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.