Home / 1,346,137.81-2,019,224.30-447,579.54

Finding the Fourth Proportional to 1,346,137.81, 2,019,224.30 and 447,579.54

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Solution

The fourth proportional to 1,346,137.81, 2,019,224.30 and 447,579.54 is: 671,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,137.81 : 2,019,224.30 = 447,579.54 : x
  2. Step 2: Convert to fraction form
    1,346,137.81/2,019,224.30 = 447,579.54/x
  3. Step 3: Cross multiply
    1,346,137.81x = 2,019,224.30 × 447,579.54
  4. Step 4: Simplify right side
    1,346,137.81x = 903,763,483,350.82
  5. Step 5: Solve for x
    x = 903,763,483,350.82/1,346,137.81
  6. Step 6: Final answer
    x = 671,375.16

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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.