Home / 989,997.20-1,483,246.20-927,011.60

Finding the Fourth Proportional to 989,997.20, 1,483,246.20 and 927,011.60

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Solution

The fourth proportional to 989,997.20, 1,483,246.20 and 927,011.60 is: 1,388,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,997.20 : 1,483,246.20 = 927,011.60 : x
  2. Step 2: Convert to fraction form
    989,997.20/1,483,246.20 = 927,011.60/x
  3. Step 3: Cross multiply
    989,997.20x = 1,483,246.20 × 927,011.60
  4. Step 4: Simplify right side
    989,997.20x = 1,374,986,433,055.92
  5. Step 5: Solve for x
    x = 1,374,986,433,055.92/989,997.20
  6. Step 6: Final answer
    x = 1,388,879.11

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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.