Home / 1,231,175.89-1,849,566.29-890,669.60

Finding the Fourth Proportional to 1,231,175.89, 1,849,566.29 and 890,669.60

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Solution

The fourth proportional to 1,231,175.89, 1,849,566.29 and 890,669.60 is: 1,338,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,175.89 : 1,849,566.29 = 890,669.60 : x
  2. Step 2: Convert to fraction form
    1,231,175.89/1,849,566.29 = 890,669.60/x
  3. Step 3: Cross multiply
    1,231,175.89x = 1,849,566.29 × 890,669.60
  4. Step 4: Simplify right side
    1,231,175.89x = 1,647,352,453,986.60
  5. Step 5: Solve for x
    x = 1,647,352,453,986.60/1,231,175.89
  6. Step 6: Final answer
    x = 1,338,031.77

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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.