Finding the Fourth Proportional to 1,357,540.56, 1,873,296.72 and 784,617.84
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Solution
The fourth proportional to 1,357,540.56, 1,873,296.72 and 784,617.84 is: 1,082,709.47
Step by Step Solution
- Step 1: Write the proportion equation
1,357,540.56 : 1,873,296.72 = 784,617.84 : x - Step 2: Convert to fraction form
1,357,540.56/1,873,296.72 = 784,617.84/x - Step 3: Cross multiply
1,357,540.56x = 1,873,296.72 × 784,617.84 - Step 4: Simplify right side
1,357,540.56x = 1,469,822,026,125.48 - Step 5: Solve for x
x = 1,469,822,026,125.48/1,357,540.56 - Step 6: Final answer
x = 1,082,709.47
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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.