Finding the Fourth Proportional to 1,043,520.70, 1,567,181.85 and 912,883.90
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Solution
The fourth proportional to 1,043,520.70, 1,567,181.85 and 912,883.90 is: 1,370,988.69
Step by Step Solution
- Step 1: Write the proportion equation
1,043,520.70 : 1,567,181.85 = 912,883.90 : x - Step 2: Convert to fraction form
1,043,520.70/1,567,181.85 = 912,883.90/x - Step 3: Cross multiply
1,043,520.70x = 1,567,181.85 × 912,883.90 - Step 4: Simplify right side
1,043,520.70x = 1,430,655,079,237.22 - Step 5: Solve for x
x = 1,430,655,079,237.22/1,043,520.70 - Step 6: Final answer
x = 1,370,988.69
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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.