Finding the Fourth Proportional to 1,221,183.06, 1,831,941.24 and 422,250.09
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Solution
The fourth proportional to 1,221,183.06, 1,831,941.24 and 422,250.09 is: 633,432.76
Step by Step Solution
- Step 1: Write the proportion equation
1,221,183.06 : 1,831,941.24 = 422,250.09 : x - Step 2: Convert to fraction form
1,221,183.06/1,831,941.24 = 422,250.09/x - Step 3: Cross multiply
1,221,183.06x = 1,831,941.24 × 422,250.09 - Step 4: Simplify right side
1,221,183.06x = 773,537,353,464.71 - Step 5: Solve for x
x = 773,537,353,464.71/1,221,183.06 - Step 6: Final answer
x = 633,432.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.