Home / 989,989.20-1,483,234.20-927,003.60

Finding the Fourth Proportional to 989,989.20, 1,483,234.20 and 927,003.60

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Solution

The fourth proportional to 989,989.20, 1,483,234.20 and 927,003.60 is: 1,388,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,989.20 : 1,483,234.20 = 927,003.60 : x
  2. Step 2: Convert to fraction form
    989,989.20/1,483,234.20 = 927,003.60/x
  3. Step 3: Cross multiply
    989,989.20x = 1,483,234.20 × 927,003.60
  4. Step 4: Simplify right side
    989,989.20x = 1,374,963,443,043.12
  5. Step 5: Solve for x
    x = 1,374,963,443,043.12/989,989.20
  6. Step 6: Final answer
    x = 1,388,867.11

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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.