Home / 1,099,794.70-1,648,489.20-389,457.10

Finding the Fourth Proportional to 1,099,794.70, 1,648,489.20 and 389,457.10

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Solution

The fourth proportional to 1,099,794.70, 1,648,489.20 and 389,457.10 is: 583,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,794.70 : 1,648,489.20 = 389,457.10 : x
  2. Step 2: Convert to fraction form
    1,099,794.70/1,648,489.20 = 389,457.10/x
  3. Step 3: Cross multiply
    1,099,794.70x = 1,648,489.20 × 389,457.10
  4. Step 4: Simplify right side
    1,099,794.70x = 642,015,823,213.32
  5. Step 5: Solve for x
    x = 642,015,823,213.32/1,099,794.70
  6. Step 6: Final answer
    x = 583,759.70

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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.