Finding the Fourth Proportional to 1,412,858.18, 1,949,722.06 and 768,272.74
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Solution
The fourth proportional to 1,412,858.18, 1,949,722.06 and 768,272.74 is: 1,060,204.29
Step by Step Solution
- Step 1: Write the proportion equation
1,412,858.18 : 1,949,722.06 = 768,272.74 : x - Step 2: Convert to fraction form
1,412,858.18/1,949,722.06 = 768,272.74/x - Step 3: Cross multiply
1,412,858.18x = 1,949,722.06 × 768,272.74 - Step 4: Simplify right side
1,412,858.18x = 1,497,918,309,274.64 - Step 5: Solve for x
x = 1,497,918,309,274.64/1,412,858.18 - Step 6: Final answer
x = 1,060,204.29
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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.