Home / 1,451,941.38-2,178,355.14-742,467.78

Finding the Fourth Proportional to 1,451,941.38, 2,178,355.14 and 742,467.78

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Solution

The fourth proportional to 1,451,941.38, 2,178,355.14 and 742,467.78 is: 1,113,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,941.38 : 2,178,355.14 = 742,467.78 : x
  2. Step 2: Convert to fraction form
    1,451,941.38/2,178,355.14 = 742,467.78/x
  3. Step 3: Cross multiply
    1,451,941.38x = 2,178,355.14 × 742,467.78
  4. Step 4: Simplify right side
    1,451,941.38x = 1,617,358,504,847.39
  5. Step 5: Solve for x
    x = 1,617,358,504,847.39/1,451,941.38
  6. Step 6: Final answer
    x = 1,113,928.24

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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.