Finding the Fourth Proportional to 1,585,759.75, 2,188,349.58 and 860,607.30
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Solution
The fourth proportional to 1,585,759.75, 2,188,349.58 and 860,607.30 is: 1,187,638.68
Step by Step Solution
- Step 1: Write the proportion equation
1,585,759.75 : 2,188,349.58 = 860,607.30 : x - Step 2: Convert to fraction form
1,585,759.75/2,188,349.58 = 860,607.30/x - Step 3: Cross multiply
1,585,759.75x = 2,188,349.58 × 860,607.30 - Step 4: Simplify right side
1,585,759.75x = 1,883,309,612,558.19 - Step 5: Solve for x
x = 1,883,309,612,558.19/1,585,759.75 - Step 6: Final answer
x = 1,187,638.68
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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.