Home / 1,000,818.56-1,380,786.64-570,789.44

Finding the Fourth Proportional to 1,000,818.56, 1,380,786.64 and 570,789.44

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Solution

The fourth proportional to 1,000,818.56, 1,380,786.64 and 570,789.44 is: 787,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,818.56 : 1,380,786.64 = 570,789.44 : x
  2. Step 2: Convert to fraction form
    1,000,818.56/1,380,786.64 = 570,789.44/x
  3. Step 3: Cross multiply
    1,000,818.56x = 1,380,786.64 × 570,789.44
  4. Step 4: Simplify right side
    1,000,818.56x = 788,138,433,005.08
  5. Step 5: Solve for x
    x = 788,138,433,005.08/1,000,818.56
  6. Step 6: Final answer
    x = 787,493.82

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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.