Home / 1,226,212.60-1,692,320.70-742,763.56

Finding the Fourth Proportional to 1,226,212.60, 1,692,320.70 and 742,763.56

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Solution

The fourth proportional to 1,226,212.60, 1,692,320.70 and 742,763.56 is: 1,025,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,212.60 : 1,692,320.70 = 742,763.56 : x
  2. Step 2: Convert to fraction form
    1,226,212.60/1,692,320.70 = 742,763.56/x
  3. Step 3: Cross multiply
    1,226,212.60x = 1,692,320.70 × 742,763.56
  4. Step 4: Simplify right side
    1,226,212.60x = 1,256,994,147,793.69
  5. Step 5: Solve for x
    x = 1,256,994,147,793.69/1,226,212.60
  6. Step 6: Final answer
    x = 1,025,102.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.