Finding the Fourth Proportional to 1,190,258.70, 1,785,149.19 and 582,785.13
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Solution
The fourth proportional to 1,190,258.70, 1,785,149.19 and 582,785.13 is: 874,060.74
Step by Step Solution
- Step 1: Write the proportion equation
1,190,258.70 : 1,785,149.19 = 582,785.13 : x - Step 2: Convert to fraction form
1,190,258.70/1,785,149.19 = 582,785.13/x - Step 3: Cross multiply
1,190,258.70x = 1,785,149.19 × 582,785.13 - Step 4: Simplify right side
1,190,258.70x = 1,040,358,402,763.54 - Step 5: Solve for x
x = 1,040,358,402,763.54/1,190,258.70 - Step 6: Final answer
x = 874,060.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.