Home / 1,339,519.10-2,009,500.05-620,579.30

Finding the Fourth Proportional to 1,339,519.10, 2,009,500.05 and 620,579.30

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Solution

The fourth proportional to 1,339,519.10, 2,009,500.05 and 620,579.30 is: 930,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,519.10 : 2,009,500.05 = 620,579.30 : x
  2. Step 2: Convert to fraction form
    1,339,519.10/2,009,500.05 = 620,579.30/x
  3. Step 3: Cross multiply
    1,339,519.10x = 2,009,500.05 × 620,579.30
  4. Step 4: Simplify right side
    1,339,519.10x = 1,247,054,134,378.97
  5. Step 5: Solve for x
    x = 1,247,054,134,378.97/1,339,519.10
  6. Step 6: Final answer
    x = 930,971.52

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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.