Finding the Fourth Proportional to 1,357,162.54, 1,873,114.65 and 784,534.66
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Solution
The fourth proportional to 1,357,162.54, 1,873,114.65 and 784,534.66 is: 1,082,790.99
Step by Step Solution
- Step 1: Write the proportion equation
1,357,162.54 : 1,873,114.65 = 784,534.66 : x - Step 2: Convert to fraction form
1,357,162.54/1,873,114.65 = 784,534.66/x - Step 3: Cross multiply
1,357,162.54x = 1,873,114.65 × 784,534.66 - Step 4: Simplify right side
1,357,162.54x = 1,469,523,365,078.77 - Step 5: Solve for x
x = 1,469,523,365,078.77/1,357,162.54 - Step 6: Final answer
x = 1,082,790.99
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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.