Home / 1,109,887.80-1,664,763.36-683,504.88

Finding the Fourth Proportional to 1,109,887.80, 1,664,763.36 and 683,504.88

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Solution

The fourth proportional to 1,109,887.80, 1,664,763.36 and 683,504.88 is: 1,025,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,887.80 : 1,664,763.36 = 683,504.88 : x
  2. Step 2: Convert to fraction form
    1,109,887.80/1,664,763.36 = 683,504.88/x
  3. Step 3: Cross multiply
    1,109,887.80x = 1,664,763.36 × 683,504.88
  4. Step 4: Simplify right side
    1,109,887.80x = 1,137,873,880,605.20
  5. Step 5: Solve for x
    x = 1,137,873,880,605.20/1,109,887.80
  6. Step 6: Final answer
    x = 1,025,215.23

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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.