Home / 1,142,189.21-1,576,021.32-651,934.89

Finding the Fourth Proportional to 1,142,189.21, 1,576,021.32 and 651,934.89

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Solution

The fourth proportional to 1,142,189.21, 1,576,021.32 and 651,934.89 is: 899,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,189.21 : 1,576,021.32 = 651,934.89 : x
  2. Step 2: Convert to fraction form
    1,142,189.21/1,576,021.32 = 651,934.89/x
  3. Step 3: Cross multiply
    1,142,189.21x = 1,576,021.32 × 651,934.89
  4. Step 4: Simplify right side
    1,142,189.21x = 1,027,463,285,891.85
  5. Step 5: Solve for x
    x = 1,027,463,285,891.85/1,142,189.21
  6. Step 6: Final answer
    x = 899,556.12

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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.