Finding the Fourth Proportional to 1,357,390.62, 1,873,836.81 and 784,319.94
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Solution
The fourth proportional to 1,357,390.62, 1,873,836.81 and 784,319.94 is: 1,082,730.02
Step by Step Solution
- Step 1: Write the proportion equation
1,357,390.62 : 1,873,836.81 = 784,319.94 : x - Step 2: Convert to fraction form
1,357,390.62/1,873,836.81 = 784,319.94/x - Step 3: Cross multiply
1,357,390.62x = 1,873,836.81 × 784,319.94 - Step 4: Simplify right side
1,357,390.62x = 1,469,687,574,388.99 - Step 5: Solve for x
x = 1,469,687,574,388.99/1,357,390.62 - Step 6: Final answer
x = 1,082,730.02
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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.