Finding the Fourth Proportional to 1,122,260.13, 1,548,674.24 and 632,218.23
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Solution
The fourth proportional to 1,122,260.13, 1,548,674.24 and 632,218.23 is: 872,435.95
Step by Step Solution
- Step 1: Write the proportion equation
1,122,260.13 : 1,548,674.24 = 632,218.23 : x - Step 2: Convert to fraction form
1,122,260.13/1,548,674.24 = 632,218.23/x - Step 3: Cross multiply
1,122,260.13x = 1,548,674.24 × 632,218.23 - Step 4: Simplify right side
1,122,260.13x = 979,100,083,698.30 - Step 5: Solve for x
x = 979,100,083,698.30/1,122,260.13 - Step 6: Final answer
x = 872,435.95
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1.5x scale
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.