Home / 1,313,999.80-1,970,538.90-682,703.80

Finding the Fourth Proportional to 1,313,999.80, 1,970,538.90 and 682,703.80

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Solution

The fourth proportional to 1,313,999.80, 1,970,538.90 and 682,703.80 is: 1,023,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,999.80 : 1,970,538.90 = 682,703.80 : x
  2. Step 2: Convert to fraction form
    1,313,999.80/1,970,538.90 = 682,703.80/x
  3. Step 3: Cross multiply
    1,313,999.80x = 1,970,538.90 × 682,703.80
  4. Step 4: Simplify right side
    1,313,999.80x = 1,345,294,395,077.82
  5. Step 5: Solve for x
    x = 1,345,294,395,077.82/1,313,999.80
  6. Step 6: Final answer
    x = 1,023,816.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.