Finding the Fourth Proportional to 1,138,595.22, 1,571,266.26 and 622,359.54
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Solution
The fourth proportional to 1,138,595.22, 1,571,266.26 and 622,359.54 is: 858,858.82
Step by Step Solution
- Step 1: Write the proportion equation
1,138,595.22 : 1,571,266.26 = 622,359.54 : x - Step 2: Convert to fraction form
1,138,595.22/1,571,266.26 = 622,359.54/x - Step 3: Cross multiply
1,138,595.22x = 1,571,266.26 × 622,359.54 - Step 4: Simplify right side
1,138,595.22x = 977,892,546,791.12 - Step 5: Solve for x
x = 977,892,546,791.12/1,138,595.22 - Step 6: Final answer
x = 858,858.82
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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.