Home / 1,282,831.20-1,770,179.04-709,791.84

Finding the Fourth Proportional to 1,282,831.20, 1,770,179.04 and 709,791.84

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Solution

The fourth proportional to 1,282,831.20, 1,770,179.04 and 709,791.84 is: 979,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,831.20 : 1,770,179.04 = 709,791.84 : x
  2. Step 2: Convert to fraction form
    1,282,831.20/1,770,179.04 = 709,791.84/x
  3. Step 3: Cross multiply
    1,282,831.20x = 1,770,179.04 × 709,791.84
  4. Step 4: Simplify right side
    1,282,831.20x = 1,256,458,637,931.03
  5. Step 5: Solve for x
    x = 1,256,458,637,931.03/1,282,831.20
  6. Step 6: Final answer
    x = 979,441.91

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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.