Finding the Fourth Proportional to 1,357,276.91, 1,873,208.30 and 784,317.08
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Solution
The fourth proportional to 1,357,276.91, 1,873,208.30 and 784,317.08 is: 1,082,453.59
Step by Step Solution
- Step 1: Write the proportion equation
1,357,276.91 : 1,873,208.30 = 784,317.08 : x - Step 2: Convert to fraction form
1,357,276.91/1,873,208.30 = 784,317.08/x - Step 3: Cross multiply
1,357,276.91x = 1,873,208.30 × 784,317.08 - Step 4: Simplify right side
1,357,276.91x = 1,469,189,256,682.52 - Step 5: Solve for x
x = 1,469,189,256,682.52/1,357,276.91 - Step 6: Final answer
x = 1,082,453.59
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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.