Home / 1,313,001.98-1,811,940.98-709,389.98

Finding the Fourth Proportional to 1,313,001.98, 1,811,940.98 and 709,389.98

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Solution

The fourth proportional to 1,313,001.98, 1,811,940.98 and 709,389.98 is: 978,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,001.98 : 1,811,940.98 = 709,389.98 : x
  2. Step 2: Convert to fraction form
    1,313,001.98/1,811,940.98 = 709,389.98/x
  3. Step 3: Cross multiply
    1,313,001.98x = 1,811,940.98 × 709,389.98
  4. Step 4: Simplify right side
    1,313,001.98x = 1,285,372,775,563.38
  5. Step 5: Solve for x
    x = 1,285,372,775,563.38/1,313,001.98
  6. Step 6: Final answer
    x = 978,957.23

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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.