Home / 1,624,819.64-2,437,340.09-426,739.86

Finding the Fourth Proportional to 1,624,819.64, 2,437,340.09 and 426,739.86

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Solution

The fourth proportional to 1,624,819.64, 2,437,340.09 and 426,739.86 is: 640,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,819.64 : 2,437,340.09 = 426,739.86 : x
  2. Step 2: Convert to fraction form
    1,624,819.64/2,437,340.09 = 426,739.86/x
  3. Step 3: Cross multiply
    1,624,819.64x = 2,437,340.09 × 426,739.86
  4. Step 4: Simplify right side
    1,624,819.64x = 1,040,110,166,645.29
  5. Step 5: Solve for x
    x = 1,040,110,166,645.29/1,624,819.64
  6. Step 6: Final answer
    x = 640,138.85

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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.