Home / 1,313,171.37-1,812,176.44-709,559.37

Finding the Fourth Proportional to 1,313,171.37, 1,812,176.44 and 709,559.37

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Solution

The fourth proportional to 1,313,171.37, 1,812,176.44 and 709,559.37 is: 979,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,171.37 : 1,812,176.44 = 709,559.37 : x
  2. Step 2: Convert to fraction form
    1,313,171.37/1,812,176.44 = 709,559.37/x
  3. Step 3: Cross multiply
    1,313,171.37x = 1,812,176.44 × 709,559.37
  4. Step 4: Simplify right side
    1,313,171.37x = 1,285,846,771,321.34
  5. Step 5: Solve for x
    x = 1,285,846,771,321.34/1,313,171.37
  6. Step 6: Final answer
    x = 979,191.90

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Why These Related Problems?

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