Home / 1,099,250.55-1,648,879.47-389,299.32

Finding the Fourth Proportional to 1,099,250.55, 1,648,879.47 and 389,299.32

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Solution

The fourth proportional to 1,099,250.55, 1,648,879.47 and 389,299.32 is: 583,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,250.55 : 1,648,879.47 = 389,299.32 : x
  2. Step 2: Convert to fraction form
    1,099,250.55/1,648,879.47 = 389,299.32/x
  3. Step 3: Cross multiply
    1,099,250.55x = 1,648,879.47 × 389,299.32
  4. Step 4: Simplify right side
    1,099,250.55x = 641,907,656,432.96
  5. Step 5: Solve for x
    x = 641,907,656,432.96/1,099,250.55
  6. Step 6: Final answer
    x = 583,950.27

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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.