Finding the Fourth Proportional to 1,154,531.70, 1,593,256.10 and 645,234.08
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Solution
The fourth proportional to 1,154,531.70, 1,593,256.10 and 645,234.08 is: 890,424.34
Step by Step Solution
- Step 1: Write the proportion equation
1,154,531.70 : 1,593,256.10 = 645,234.08 : x - Step 2: Convert to fraction form
1,154,531.70/1,593,256.10 = 645,234.08/x - Step 3: Cross multiply
1,154,531.70x = 1,593,256.10 × 645,234.08 - Step 4: Simplify right side
1,154,531.70x = 1,028,023,122,695.44 - Step 5: Solve for x
x = 1,028,023,122,695.44/1,154,531.70 - Step 6: Final answer
x = 890,424.34
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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.