Home / 1,180,228.95-1,769,909.67-421,865.75

Finding the Fourth Proportional to 1,180,228.95, 1,769,909.67 and 421,865.75

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Solution

The fourth proportional to 1,180,228.95, 1,769,909.67 and 421,865.75 is: 632,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,228.95 : 1,769,909.67 = 421,865.75 : x
  2. Step 2: Convert to fraction form
    1,180,228.95/1,769,909.67 = 421,865.75/x
  3. Step 3: Cross multiply
    1,180,228.95x = 1,769,909.67 × 421,865.75
  4. Step 4: Simplify right side
    1,180,228.95x = 746,664,274,791.58
  5. Step 5: Solve for x
    x = 746,664,274,791.58/1,180,228.95
  6. Step 6: Final answer
    x = 632,643.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.