Home / 1,412,931.08-1,949,858.78-768,365.28

Finding the Fourth Proportional to 1,412,931.08, 1,949,858.78 and 768,365.28

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Solution

The fourth proportional to 1,412,931.08, 1,949,858.78 and 768,365.28 is: 1,060,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,931.08 : 1,949,858.78 = 768,365.28 : x
  2. Step 2: Convert to fraction form
    1,412,931.08/1,949,858.78 = 768,365.28/x
  3. Step 3: Cross multiply
    1,412,931.08x = 1,949,858.78 × 768,365.28
  4. Step 4: Simplify right side
    1,412,931.08x = 1,498,203,783,613.33
  5. Step 5: Solve for x
    x = 1,498,203,783,613.33/1,412,931.08
  6. Step 6: Final answer
    x = 1,060,351.64

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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.