Finding the Fourth Proportional to 1,159,103.85, 1,599,539.48 and 642,774.42
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Solution
The fourth proportional to 1,159,103.85, 1,599,539.48 and 642,774.42 is: 887,015.48
Step by Step Solution
- Step 1: Write the proportion equation
1,159,103.85 : 1,599,539.48 = 642,774.42 : x - Step 2: Convert to fraction form
1,159,103.85/1,599,539.48 = 642,774.42/x - Step 3: Cross multiply
1,159,103.85x = 1,599,539.48 × 642,774.42 - Step 4: Simplify right side
1,159,103.85x = 1,028,143,061,524.10 - Step 5: Solve for x
x = 1,028,143,061,524.10/1,159,103.85 - Step 6: Final answer
x = 887,015.48
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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.