Finding the Fourth Proportional to 1,357,579.38, 1,873,398.96 and 814,015.20
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Solution
The fourth proportional to 1,357,579.38, 1,873,398.96 and 814,015.20 is: 1,123,304.65
Step by Step Solution
- Step 1: Write the proportion equation
1,357,579.38 : 1,873,398.96 = 814,015.20 : x - Step 2: Convert to fraction form
1,357,579.38/1,873,398.96 = 814,015.20/x - Step 3: Cross multiply
1,357,579.38x = 1,873,398.96 × 814,015.20 - Step 4: Simplify right side
1,357,579.38x = 1,524,975,229,104.19 - Step 5: Solve for x
x = 1,524,975,229,104.19/1,357,579.38 - Step 6: Final answer
x = 1,123,304.65
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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.