Home / 1,380,251.88-1,904,582.16-768,258

Finding the Fourth Proportional to 1,380,251.88, 1,904,582.16 and 768,258

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Solution

The fourth proportional to 1,380,251.88, 1,904,582.16 and 768,258 is: 1,060,103.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,251.88 : 1,904,582.16 = 768,258 : x
  2. Step 2: Convert to fraction form
    1,380,251.88/1,904,582.16 = 768,258/x
  3. Step 3: Cross multiply
    1,380,251.88x = 1,904,582.16 × 768,258
  4. Step 4: Simplify right side
    1,380,251.88x = 1,463,210,481,077.28
  5. Step 5: Solve for x
    x = 1,463,210,481,077.28/1,380,251.88
  6. Step 6: Final answer
    x = 1,060,103.96

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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.