Home / 1,099,355.39-1,648,989.95-459,493.86

Finding the Fourth Proportional to 1,099,355.39, 1,648,989.95 and 459,493.86

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Solution

The fourth proportional to 1,099,355.39, 1,648,989.95 and 459,493.86 is: 689,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,355.39 : 1,648,989.95 = 459,493.86 : x
  2. Step 2: Convert to fraction form
    1,099,355.39/1,648,989.95 = 459,493.86/x
  3. Step 3: Cross multiply
    1,099,355.39x = 1,648,989.95 × 459,493.86
  4. Step 4: Simplify right side
    1,099,355.39x = 757,700,763,697.60
  5. Step 5: Solve for x
    x = 757,700,763,697.60/1,099,355.39
  6. Step 6: Final answer
    x = 689,222.77

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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.