Finding the Fourth Proportional to 1,154,546.74, 1,593,276.81 and 645,249.10
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Solution
The fourth proportional to 1,154,546.74, 1,593,276.81 and 645,249.10 is: 890,445.05
Step by Step Solution
- Step 1: Write the proportion equation
1,154,546.74 : 1,593,276.81 = 645,249.10 : x - Step 2: Convert to fraction form
1,154,546.74/1,593,276.81 = 645,249.10/x - Step 3: Cross multiply
1,154,546.74x = 1,593,276.81 × 645,249.10 - Step 4: Simplify right side
1,154,546.74x = 1,028,060,427,703.37 - Step 5: Solve for x
x = 1,028,060,427,703.37/1,154,546.74 - Step 6: Final answer
x = 890,445.05
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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.