Finding the Fourth Proportional to 1,357,700.36, 1,873,418.40 and 784,629.95
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Solution
The fourth proportional to 1,357,700.36, 1,873,418.40 and 784,629.95 is: 1,082,669.07
Step by Step Solution
- Step 1: Write the proportion equation
1,357,700.36 : 1,873,418.40 = 784,629.95 : x - Step 2: Convert to fraction form
1,357,700.36/1,873,418.40 = 784,629.95/x - Step 3: Cross multiply
1,357,700.36x = 1,873,418.40 × 784,629.95 - Step 4: Simplify right side
1,357,700.36x = 1,469,940,176,153.99 - Step 5: Solve for x
x = 1,469,940,176,153.99/1,357,700.36 - Step 6: Final answer
x = 1,082,669.07
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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.