Home / 1,309,823.10-1,964,984.34-457,138.32

Finding the Fourth Proportional to 1,309,823.10, 1,964,984.34 and 457,138.32

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Solution

The fourth proportional to 1,309,823.10, 1,964,984.34 and 457,138.32 is: 685,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,823.10 : 1,964,984.34 = 457,138.32 : x
  2. Step 2: Convert to fraction form
    1,309,823.10/1,964,984.34 = 457,138.32/x
  3. Step 3: Cross multiply
    1,309,823.10x = 1,964,984.34 × 457,138.32
  4. Step 4: Simplify right side
    1,309,823.10x = 898,269,640,013.91
  5. Step 5: Solve for x
    x = 898,269,640,013.91/1,309,823.10
  6. Step 6: Final answer
    x = 685,794.62

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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.