Home / 1,313,001.29-1,811,940.03-709,389.29

Finding the Fourth Proportional to 1,313,001.29, 1,811,940.03 and 709,389.29

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Solution

The fourth proportional to 1,313,001.29, 1,811,940.03 and 709,389.29 is: 978,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,001.29 : 1,811,940.03 = 709,389.29 : x
  2. Step 2: Convert to fraction form
    1,313,001.29/1,811,940.03 = 709,389.29/x
  3. Step 3: Cross multiply
    1,313,001.29x = 1,811,940.03 × 709,389.29
  4. Step 4: Simplify right side
    1,313,001.29x = 1,285,370,855,934.13
  5. Step 5: Solve for x
    x = 1,285,370,855,934.13/1,313,001.29
  6. Step 6: Final answer
    x = 978,956.28

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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.