Home / 1,869,142-2,803,712.73-449,198.05

Finding the Fourth Proportional to 1,869,142, 2,803,712.73 and 449,198.05

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Solution

The fourth proportional to 1,869,142, 2,803,712.73 and 449,198.05 is: 673,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,142 : 2,803,712.73 = 449,198.05 : x
  2. Step 2: Convert to fraction form
    1,869,142/2,803,712.73 = 449,198.05/x
  3. Step 3: Cross multiply
    1,869,142x = 2,803,712.73 × 449,198.05
  4. Step 4: Simplify right side
    1,869,142x = 1,259,422,291,076.18
  5. Step 5: Solve for x
    x = 1,259,422,291,076.18/1,869,142
  6. Step 6: Final answer
    x = 673,797.01

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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.