Finding the Fourth Proportional to 1,216,430.85, 1,825,396.69 and 617,821.62
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Solution
The fourth proportional to 1,216,430.85, 1,825,396.69 and 617,821.62 is: 927,113.56
Step by Step Solution
- Step 1: Write the proportion equation
1,216,430.85 : 1,825,396.69 = 617,821.62 : x - Step 2: Convert to fraction form
1,216,430.85/1,825,396.69 = 617,821.62/x - Step 3: Cross multiply
1,216,430.85x = 1,825,396.69 × 617,821.62 - Step 4: Simplify right side
1,216,430.85x = 1,127,769,540,158.44 - Step 5: Solve for x
x = 1,127,769,540,158.44/1,216,430.85 - Step 6: Final answer
x = 927,113.56
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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.