Home / 1,269,509.87-1,751,923.43-725,657.33

Finding the Fourth Proportional to 1,269,509.87, 1,751,923.43 and 725,657.33

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Solution

The fourth proportional to 1,269,509.87, 1,751,923.43 and 725,657.33 is: 1,001,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,509.87 : 1,751,923.43 = 725,657.33 : x
  2. Step 2: Convert to fraction form
    1,269,509.87/1,751,923.43 = 725,657.33/x
  3. Step 3: Cross multiply
    1,269,509.87x = 1,751,923.43 × 725,657.33
  4. Step 4: Simplify right side
    1,269,509.87x = 1,271,296,079,269.36
  5. Step 5: Solve for x
    x = 1,271,296,079,269.36/1,269,509.87
  6. Step 6: Final answer
    x = 1,001,407.01

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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.