Finding the Fourth Proportional to 1,257,380.21, 1,885,012.36 and 546,873.12
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Solution
The fourth proportional to 1,257,380.21, 1,885,012.36 and 546,873.12 is: 819,849.54
Step by Step Solution
- Step 1: Write the proportion equation
1,257,380.21 : 1,885,012.36 = 546,873.12 : x - Step 2: Convert to fraction form
1,257,380.21/1,885,012.36 = 546,873.12/x - Step 3: Cross multiply
1,257,380.21x = 1,885,012.36 × 546,873.12 - Step 4: Simplify right side
1,257,380.21x = 1,030,862,589,184.58 - Step 5: Solve for x
x = 1,030,862,589,184.58/1,257,380.21 - Step 6: Final answer
x = 819,849.54
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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.