Home / 942,388.36-1,402,923.92-936,783.36

Finding the Fourth Proportional to 942,388.36, 1,402,923.92 and 936,783.36

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Solution

The fourth proportional to 942,388.36, 1,402,923.92 and 936,783.36 is: 1,394,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,388.36 : 1,402,923.92 = 936,783.36 : x
  2. Step 2: Convert to fraction form
    942,388.36/1,402,923.92 = 936,783.36/x
  3. Step 3: Cross multiply
    942,388.36x = 1,402,923.92 × 936,783.36
  4. Step 4: Simplify right side
    942,388.36x = 1,314,235,783,601.97
  5. Step 5: Solve for x
    x = 1,314,235,783,601.97/942,388.36
  6. Step 6: Final answer
    x = 1,394,579.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.