Home / 1,313,174.25-1,812,180.47-709,562.25

Finding the Fourth Proportional to 1,313,174.25, 1,812,180.47 and 709,562.25

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Solution

The fourth proportional to 1,313,174.25, 1,812,180.47 and 709,562.25 is: 979,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,174.25 : 1,812,180.47 = 709,562.25 : x
  2. Step 2: Convert to fraction form
    1,313,174.25/1,812,180.47 = 709,562.25/x
  3. Step 3: Cross multiply
    1,313,174.25x = 1,812,180.47 × 709,562.25
  4. Step 4: Simplify right side
    1,313,174.25x = 1,285,854,848,151.45
  5. Step 5: Solve for x
    x = 1,285,854,848,151.45/1,313,174.25
  6. Step 6: Final answer
    x = 979,195.91

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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.