Home / 1,004.46-1,495.55-999.60

Finding the Fourth Proportional to 1,004.46, 1,495.55 and 999.60

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Solution

The fourth proportional to 1,004.46, 1,495.55 and 999.60 is: 1,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.46 : 1,495.55 = 999.60 : x
  2. Step 2: Convert to fraction form
    1,004.46/1,495.55 = 999.60/x
  3. Step 3: Cross multiply
    1,004.46x = 1,495.55 × 999.60
  4. Step 4: Simplify right side
    1,004.46x = 1,494,946.78
  5. Step 5: Solve for x
    x = 1,494,946.78/1,004.46
  6. Step 6: Final answer
    x = 1,488.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.