Finding the Fourth Proportional to 1,190,255.13, 1,785,143.98 and 582,781.71
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Solution
The fourth proportional to 1,190,255.13, 1,785,143.98 and 582,781.71 is: 874,055.68
Step by Step Solution
- Step 1: Write the proportion equation
1,190,255.13 : 1,785,143.98 = 582,781.71 : x - Step 2: Convert to fraction form
1,190,255.13/1,785,143.98 = 582,781.71/x - Step 3: Cross multiply
1,190,255.13x = 1,785,143.98 × 582,781.71 - Step 4: Simplify right side
1,190,255.13x = 1,040,349,258,346.70 - Step 5: Solve for x
x = 1,040,349,258,346.70/1,190,255.13 - Step 6: Final answer
x = 874,055.68
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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.