Home / 978,180.60-1,467,270.90-741,984.60

Finding the Fourth Proportional to 978,180.60, 1,467,270.90 and 741,984.60

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Solution

The fourth proportional to 978,180.60, 1,467,270.90 and 741,984.60 is: 1,112,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,180.60 : 1,467,270.90 = 741,984.60 : x
  2. Step 2: Convert to fraction form
    978,180.60/1,467,270.90 = 741,984.60/x
  3. Step 3: Cross multiply
    978,180.60x = 1,467,270.90 × 741,984.60
  4. Step 4: Simplify right side
    978,180.60x = 1,088,692,411,828.14
  5. Step 5: Solve for x
    x = 1,088,692,411,828.14/978,180.60
  6. Step 6: Final answer
    x = 1,112,976.90

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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.