Finding the Fourth Proportional to 1,201,887.36, 1,658,605.95 and 658,027.44
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Solution
The fourth proportional to 1,201,887.36, 1,658,605.95 and 658,027.44 is: 908,078.63
Step by Step Solution
- Step 1: Write the proportion equation
1,201,887.36 : 1,658,605.95 = 658,027.44 : x - Step 2: Convert to fraction form
1,201,887.36/1,658,605.95 = 658,027.44/x - Step 3: Cross multiply
1,201,887.36x = 1,658,605.95 × 658,027.44 - Step 4: Simplify right side
1,201,887.36x = 1,091,408,227,247.27 - Step 5: Solve for x
x = 1,091,408,227,247.27/1,201,887.36 - Step 6: Final answer
x = 908,078.63
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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.