Home / 999,675.20-1,498,200.60-400,145.60

Finding the Fourth Proportional to 999,675.20, 1,498,200.60 and 400,145.60

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Solution

The fourth proportional to 999,675.20, 1,498,200.60 and 400,145.60 is: 599,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,675.20 : 1,498,200.60 = 400,145.60 : x
  2. Step 2: Convert to fraction form
    999,675.20/1,498,200.60 = 400,145.60/x
  3. Step 3: Cross multiply
    999,675.20x = 1,498,200.60 × 400,145.60
  4. Step 4: Simplify right side
    999,675.20x = 599,498,378,007.36
  5. Step 5: Solve for x
    x = 599,498,378,007.36/999,675.20
  6. Step 6: Final answer
    x = 599,693.16

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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.