Finding the Fourth Proportional to 1,154,457, 1,593,120.96 and 645,163.56
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Solution
The fourth proportional to 1,154,457, 1,593,120.96 and 645,163.56 is: 890,309.12
Step by Step Solution
- Step 1: Write the proportion equation
1,154,457 : 1,593,120.96 = 645,163.56 : x - Step 2: Convert to fraction form
1,154,457/1,593,120.96 = 645,163.56/x - Step 3: Cross multiply
1,154,457x = 1,593,120.96 × 645,163.56 - Step 4: Simplify right side
1,154,457x = 1,027,823,590,064.22 - Step 5: Solve for x
x = 1,027,823,590,064.22/1,154,457 - Step 6: Final answer
x = 890,309.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.