Finding the Fourth Proportional to 1,259,143.99, 1,888,023.43 and 860,235.19
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Solution
The fourth proportional to 1,259,143.99, 1,888,023.43 and 860,235.19 is: 1,289,879.64
Step by Step Solution
- Step 1: Write the proportion equation
1,259,143.99 : 1,888,023.43 = 860,235.19 : x - Step 2: Convert to fraction form
1,259,143.99/1,888,023.43 = 860,235.19/x - Step 3: Cross multiply
1,259,143.99x = 1,888,023.43 × 860,235.19 - Step 4: Simplify right side
1,259,143.99x = 1,624,144,190,385.74 - Step 5: Solve for x
x = 1,624,144,190,385.74/1,259,143.99 - Step 6: Final answer
x = 1,289,879.64
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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.