Finding the Fourth Proportional to 1,154,489.94, 1,593,266.86 and 645,232.98
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Solution
The fourth proportional to 1,154,489.94, 1,593,266.86 and 645,232.98 is: 890,461.05
Step by Step Solution
- Step 1: Write the proportion equation
1,154,489.94 : 1,593,266.86 = 645,232.98 : x - Step 2: Convert to fraction form
1,154,489.94/1,593,266.86 = 645,232.98/x - Step 3: Cross multiply
1,154,489.94x = 1,593,266.86 × 645,232.98 - Step 4: Simplify right side
1,154,489.94x = 1,028,028,324,013.04 - Step 5: Solve for x
x = 1,028,028,324,013.04/1,154,489.94 - Step 6: Final answer
x = 890,461.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.