Finding the Fourth Proportional to 1,268,800.14, 1,751,036.84 and 724,924.28
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Solution
The fourth proportional to 1,268,800.14, 1,751,036.84 and 724,924.28 is: 1,000,448.44
Step by Step Solution
- Step 1: Write the proportion equation
1,268,800.14 : 1,751,036.84 = 724,924.28 : x - Step 2: Convert to fraction form
1,268,800.14/1,751,036.84 = 724,924.28/x - Step 3: Cross multiply
1,268,800.14x = 1,751,036.84 × 724,924.28 - Step 4: Simplify right side
1,268,800.14x = 1,269,369,120,490.48 - Step 5: Solve for x
x = 1,269,369,120,490.48/1,268,800.14 - Step 6: Final answer
x = 1,000,448.44
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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.