Finding the Fourth Proportional to 1,259,153.48, 1,888,037.67 and 860,244.68
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Solution
The fourth proportional to 1,259,153.48, 1,888,037.67 and 860,244.68 is: 1,289,893.87
Step by Step Solution
- Step 1: Write the proportion equation
1,259,153.48 : 1,888,037.67 = 860,244.68 : x - Step 2: Convert to fraction form
1,259,153.48/1,888,037.67 = 860,244.68/x - Step 3: Cross multiply
1,259,153.48x = 1,888,037.67 × 860,244.68 - Step 4: Simplify right side
1,259,153.48x = 1,624,174,361,257.10 - Step 5: Solve for x
x = 1,624,174,361,257.10/1,259,153.48 - Step 6: Final answer
x = 1,289,893.87
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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.