Home / 1,259,014.60-1,888,519.56-394,515.72

Finding the Fourth Proportional to 1,259,014.60, 1,888,519.56 and 394,515.72

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Solution

The fourth proportional to 1,259,014.60, 1,888,519.56 and 394,515.72 is: 591,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,014.60 : 1,888,519.56 = 394,515.72 : x
  2. Step 2: Convert to fraction form
    1,259,014.60/1,888,519.56 = 394,515.72/x
  3. Step 3: Cross multiply
    1,259,014.60x = 1,888,519.56 × 394,515.72
  4. Step 4: Simplify right side
    1,259,014.60x = 745,050,653,947.48
  5. Step 5: Solve for x
    x = 745,050,653,947.48/1,259,014.60
  6. Step 6: Final answer
    x = 591,772.85

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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.