Home / 1,131,270.96-1,560,709.40-647,575.68

Finding the Fourth Proportional to 1,131,270.96, 1,560,709.40 and 647,575.68

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Solution

The fourth proportional to 1,131,270.96, 1,560,709.40 and 647,575.68 is: 893,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,270.96 : 1,560,709.40 = 647,575.68 : x
  2. Step 2: Convert to fraction form
    1,131,270.96/1,560,709.40 = 647,575.68/x
  3. Step 3: Cross multiply
    1,131,270.96x = 1,560,709.40 × 647,575.68
  4. Step 4: Simplify right side
    1,131,270.96x = 1,010,677,450,987.39
  5. Step 5: Solve for x
    x = 1,010,677,450,987.39/1,131,270.96
  6. Step 6: Final answer
    x = 893,399.98

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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.