Home / 1,749,818.60-2,624,727.90-420,122.60

Finding the Fourth Proportional to 1,749,818.60, 2,624,727.90 and 420,122.60

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Solution

The fourth proportional to 1,749,818.60, 2,624,727.90 and 420,122.60 is: 630,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,818.60 : 2,624,727.90 = 420,122.60 : x
  2. Step 2: Convert to fraction form
    1,749,818.60/2,624,727.90 = 420,122.60/x
  3. Step 3: Cross multiply
    1,749,818.60x = 2,624,727.90 × 420,122.60
  4. Step 4: Simplify right side
    1,749,818.60x = 1,102,707,509,640.54
  5. Step 5: Solve for x
    x = 1,102,707,509,640.54/1,749,818.60
  6. Step 6: Final answer
    x = 630,183.90

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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.