Home / 1,313,103.54-1,812,082.89-709,491.54

Finding the Fourth Proportional to 1,313,103.54, 1,812,082.89 and 709,491.54

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Solution

The fourth proportional to 1,313,103.54, 1,812,082.89 and 709,491.54 is: 979,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,103.54 : 1,812,082.89 = 709,491.54 : x
  2. Step 2: Convert to fraction form
    1,313,103.54/1,812,082.89 = 709,491.54/x
  3. Step 3: Cross multiply
    1,313,103.54x = 1,812,082.89 × 709,491.54
  4. Step 4: Simplify right side
    1,313,103.54x = 1,285,657,480,233.75
  5. Step 5: Solve for x
    x = 1,285,657,480,233.75/1,313,103.54
  6. Step 6: Final answer
    x = 979,098.33

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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.