Home / 1,228,539.15-1,840,563.41-890,743.23

Finding the Fourth Proportional to 1,228,539.15, 1,840,563.41 and 890,743.23

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Solution

The fourth proportional to 1,228,539.15, 1,840,563.41 and 890,743.23 is: 1,334,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,539.15 : 1,840,563.41 = 890,743.23 : x
  2. Step 2: Convert to fraction form
    1,228,539.15/1,840,563.41 = 890,743.23/x
  3. Step 3: Cross multiply
    1,228,539.15x = 1,840,563.41 × 890,743.23
  4. Step 4: Simplify right side
    1,228,539.15x = 1,639,469,392,389.50
  5. Step 5: Solve for x
    x = 1,639,469,392,389.50/1,228,539.15
  6. Step 6: Final answer
    x = 1,334,486.89

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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.