Home / 1,231,176.89-1,849,567.79-890,670.59

Finding the Fourth Proportional to 1,231,176.89, 1,849,567.79 and 890,670.59

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Solution

The fourth proportional to 1,231,176.89, 1,849,567.79 and 890,670.59 is: 1,338,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,176.89 : 1,849,567.79 = 890,670.59 : x
  2. Step 2: Convert to fraction form
    1,231,176.89/1,849,567.79 = 890,670.59/x
  3. Step 3: Cross multiply
    1,231,176.89x = 1,849,567.79 × 890,670.59
  4. Step 4: Simplify right side
    1,231,176.89x = 1,647,355,634,764.30
  5. Step 5: Solve for x
    x = 1,647,355,634,764.30/1,231,176.89
  6. Step 6: Final answer
    x = 1,338,033.27

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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.