Home / 1,119,708.60-1,679,562.90-839,772.60

Finding the Fourth Proportional to 1,119,708.60, 1,679,562.90 and 839,772.60

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Solution

The fourth proportional to 1,119,708.60, 1,679,562.90 and 839,772.60 is: 1,259,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,708.60 : 1,679,562.90 = 839,772.60 : x
  2. Step 2: Convert to fraction form
    1,119,708.60/1,679,562.90 = 839,772.60/x
  3. Step 3: Cross multiply
    1,119,708.60x = 1,679,562.90 × 839,772.60
  4. Step 4: Simplify right side
    1,119,708.60x = 1,410,450,903,396.54
  5. Step 5: Solve for x
    x = 1,410,450,903,396.54/1,119,708.60
  6. Step 6: Final answer
    x = 1,259,658.90

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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.