Home / 1,463,786.70-2,195,458.10-398,913.72

Finding the Fourth Proportional to 1,463,786.70, 2,195,458.10 and 398,913.72

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Solution

The fourth proportional to 1,463,786.70, 2,195,458.10 and 398,913.72 is: 598,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,786.70 : 2,195,458.10 = 398,913.72 : x
  2. Step 2: Convert to fraction form
    1,463,786.70/2,195,458.10 = 398,913.72/x
  3. Step 3: Cross multiply
    1,463,786.70x = 2,195,458.10 × 398,913.72
  4. Step 4: Simplify right side
    1,463,786.70x = 875,798,357,775.13
  5. Step 5: Solve for x
    x = 875,798,357,775.13/1,463,786.70
  6. Step 6: Final answer
    x = 598,310.09

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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.