Home / 993,155.21-1,489,746.55-283,183.17

Finding the Fourth Proportional to 993,155.21, 1,489,746.55 and 283,183.17

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Solution

The fourth proportional to 993,155.21, 1,489,746.55 and 283,183.17 is: 424,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,155.21 : 1,489,746.55 = 283,183.17 : x
  2. Step 2: Convert to fraction form
    993,155.21/1,489,746.55 = 283,183.17/x
  3. Step 3: Cross multiply
    993,155.21x = 1,489,746.55 × 283,183.17
  4. Step 4: Simplify right side
    993,155.21x = 421,871,150,525.56
  5. Step 5: Solve for x
    x = 421,871,150,525.56/993,155.21
  6. Step 6: Final answer
    x = 424,778.67

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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.