Finding the Fourth Proportional to 1,150,179.20, 1,587,247.36 and 667,024.60
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Solution
The fourth proportional to 1,150,179.20, 1,587,247.36 and 667,024.60 is: 920,493.99
Step by Step Solution
- Step 1: Write the proportion equation
1,150,179.20 : 1,587,247.36 = 667,024.60 : x - Step 2: Convert to fraction form
1,150,179.20/1,587,247.36 = 667,024.60/x - Step 3: Cross multiply
1,150,179.20x = 1,587,247.36 × 667,024.60 - Step 4: Simplify right side
1,150,179.20x = 1,058,733,035,405.06 - Step 5: Solve for x
x = 1,058,733,035,405.06/1,150,179.20 - Step 6: Final answer
x = 920,493.99
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1.5x scale
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.