Home / 1,438,204.37-2,156,745.90-539,155.55

Finding the Fourth Proportional to 1,438,204.37, 2,156,745.90 and 539,155.55

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Solution

The fourth proportional to 1,438,204.37, 2,156,745.90 and 539,155.55 is: 808,523.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,204.37 : 2,156,745.90 = 539,155.55 : x
  2. Step 2: Convert to fraction form
    1,438,204.37/2,156,745.90 = 539,155.55/x
  3. Step 3: Cross multiply
    1,438,204.37x = 2,156,745.90 × 539,155.55
  4. Step 4: Simplify right side
    1,438,204.37x = 1,162,821,514,174.00
  5. Step 5: Solve for x
    x = 1,162,821,514,174.00/1,438,204.37
  6. Step 6: Final answer
    x = 808,523.14

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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.