Home / 1,239,629.40-1,855,944.90-1,204,637.40

Finding the Fourth Proportional to 1,239,629.40, 1,855,944.90 and 1,204,637.40

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Solution

The fourth proportional to 1,239,629.40, 1,855,944.90 and 1,204,637.40 is: 1,803,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,629.40 : 1,855,944.90 = 1,204,637.40 : x
  2. Step 2: Convert to fraction form
    1,239,629.40/1,855,944.90 = 1,204,637.40/x
  3. Step 3: Cross multiply
    1,239,629.40x = 1,855,944.90 × 1,204,637.40
  4. Step 4: Simplify right side
    1,239,629.40x = 2,235,740,638,879.26
  5. Step 5: Solve for x
    x = 2,235,740,638,879.26/1,239,629.40
  6. Step 6: Final answer
    x = 1,803,555.67

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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.