Finding the Fourth Proportional to 1,357,544.70, 1,873,302.42 and 784,621.98
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Solution
The fourth proportional to 1,357,544.70, 1,873,302.42 and 784,621.98 is: 1,082,715.18
Step by Step Solution
- Step 1: Write the proportion equation
1,357,544.70 : 1,873,302.42 = 784,621.98 : x - Step 2: Convert to fraction form
1,357,544.70/1,873,302.42 = 784,621.98/x - Step 3: Cross multiply
1,357,544.70x = 1,873,302.42 × 784,621.98 - Step 4: Simplify right side
1,357,544.70x = 1,469,834,253,919.19 - Step 5: Solve for x
x = 1,469,834,253,919.19/1,357,544.70 - Step 6: Final answer
x = 1,082,715.18
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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.