Home / 1,231,174.64-1,849,564.41-890,668.34

Finding the Fourth Proportional to 1,231,174.64, 1,849,564.41 and 890,668.34

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Solution

The fourth proportional to 1,231,174.64, 1,849,564.41 and 890,668.34 is: 1,338,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,174.64 : 1,849,564.41 = 890,668.34 : x
  2. Step 2: Convert to fraction form
    1,231,174.64/1,849,564.41 = 890,668.34/x
  3. Step 3: Cross multiply
    1,231,174.64x = 1,849,564.41 × 890,668.34
  4. Step 4: Simplify right side
    1,231,174.64x = 1,647,348,462,135.83
  5. Step 5: Solve for x
    x = 1,647,348,462,135.83/1,231,174.64
  6. Step 6: Final answer
    x = 1,338,029.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.