Finding the Fourth Proportional to 1,070,622.70, 1,477,466.61 and 587,191.30
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Solution
The fourth proportional to 1,070,622.70, 1,477,466.61 and 587,191.30 is: 810,327.99
Step by Step Solution
- Step 1: Write the proportion equation
1,070,622.70 : 1,477,466.61 = 587,191.30 : x - Step 2: Convert to fraction form
1,070,622.70/1,477,466.61 = 587,191.30/x - Step 3: Cross multiply
1,070,622.70x = 1,477,466.61 × 587,191.30 - Step 4: Simplify right side
1,070,622.70x = 867,555,539,432.49 - Step 5: Solve for x
x = 867,555,539,432.49/1,070,622.70 - Step 6: Final answer
x = 810,327.99
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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.