Finding the Fourth Proportional to 1,189,130.37, 1,640,313.63 and 758,925.60
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Solution
The fourth proportional to 1,189,130.37, 1,640,313.63 and 758,925.60 is: 1,046,879.33
Step by Step Solution
- Step 1: Write the proportion equation
1,189,130.37 : 1,640,313.63 = 758,925.60 : x - Step 2: Convert to fraction form
1,189,130.37/1,640,313.63 = 758,925.60/x - Step 3: Cross multiply
1,189,130.37x = 1,640,313.63 × 758,925.60 - Step 4: Simplify right side
1,189,130.37x = 1,244,876,005,835.93 - Step 5: Solve for x
x = 1,244,876,005,835.93/1,189,130.37 - Step 6: Final answer
x = 1,046,879.33
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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.