Home / 1,382,200.36-2,073,899.58-672,844.84

Finding the Fourth Proportional to 1,382,200.36, 2,073,899.58 and 672,844.84

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Solution

The fourth proportional to 1,382,200.36, 2,073,899.58 and 672,844.84 is: 1,009,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,200.36 : 2,073,899.58 = 672,844.84 : x
  2. Step 2: Convert to fraction form
    1,382,200.36/2,073,899.58 = 672,844.84/x
  3. Step 3: Cross multiply
    1,382,200.36x = 2,073,899.58 × 672,844.84
  4. Step 4: Simplify right side
    1,382,200.36x = 1,395,412,631,081.17
  5. Step 5: Solve for x
    x = 1,395,412,631,081.17/1,382,200.36
  6. Step 6: Final answer
    x = 1,009,558.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.