Finding the Fourth Proportional to 1,153,657.26, 1,592,079.84 and 644,392.44
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Solution
The fourth proportional to 1,153,657.26, 1,592,079.84 and 644,392.44 is: 889,279.90
Step by Step Solution
- Step 1: Write the proportion equation
1,153,657.26 : 1,592,079.84 = 644,392.44 : x - Step 2: Convert to fraction form
1,153,657.26/1,592,079.84 = 644,392.44/x - Step 3: Cross multiply
1,153,657.26x = 1,592,079.84 × 644,392.44 - Step 4: Simplify right side
1,153,657.26x = 1,025,924,212,772.41 - Step 5: Solve for x
x = 1,025,924,212,772.41/1,153,657.26 - Step 6: Final answer
x = 889,279.90
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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.