Home / 1,439,059.57-2,158,559.72-479,584.83

Finding the Fourth Proportional to 1,439,059.57, 2,158,559.72 and 479,584.83

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Solution

The fourth proportional to 1,439,059.57, 2,158,559.72 and 479,584.83 is: 719,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,059.57 : 2,158,559.72 = 479,584.83 : x
  2. Step 2: Convert to fraction form
    1,439,059.57/2,158,559.72 = 479,584.83/x
  3. Step 3: Cross multiply
    1,439,059.57x = 2,158,559.72 × 479,584.83
  4. Step 4: Simplify right side
    1,439,059.57x = 1,035,212,503,856.17
  5. Step 5: Solve for x
    x = 1,035,212,503,856.17/1,439,059.57
  6. Step 6: Final answer
    x = 719,367.38

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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.