Finding the Fourth Proportional to 1,028,604.68, 1,536,651.46 and 665,820.08
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Solution
The fourth proportional to 1,028,604.68, 1,536,651.46 and 665,820.08 is: 994,680.87
Step by Step Solution
- Step 1: Write the proportion equation
1,028,604.68 : 1,536,651.46 = 665,820.08 : x - Step 2: Convert to fraction form
1,028,604.68/1,536,651.46 = 665,820.08/x - Step 3: Cross multiply
1,028,604.68x = 1,536,651.46 × 665,820.08 - Step 4: Simplify right side
1,028,604.68x = 1,023,133,398,029.32 - Step 5: Solve for x
x = 1,023,133,398,029.32/1,028,604.68 - Step 6: Final answer
x = 994,680.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.