Finding the Fourth Proportional to 1,149,281.13, 1,722,738.85 and 509,885.99
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Solution
The fourth proportional to 1,149,281.13, 1,722,738.85 and 509,885.99 is: 764,304.21
Step by Step Solution
- Step 1: Write the proportion equation
1,149,281.13 : 1,722,738.85 = 509,885.99 : x - Step 2: Convert to fraction form
1,149,281.13/1,722,738.85 = 509,885.99/x - Step 3: Cross multiply
1,149,281.13x = 1,722,738.85 × 509,885.99 - Step 4: Simplify right side
1,149,281.13x = 878,400,404,043.71 - Step 5: Solve for x
x = 878,400,404,043.71/1,149,281.13 - Step 6: Final answer
x = 764,304.21
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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.