Home / 990,010.20-1,483,265.70-927,024.60

Finding the Fourth Proportional to 990,010.20, 1,483,265.70 and 927,024.60

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Solution

The fourth proportional to 990,010.20, 1,483,265.70 and 927,024.60 is: 1,388,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,010.20 : 1,483,265.70 = 927,024.60 : x
  2. Step 2: Convert to fraction form
    990,010.20/1,483,265.70 = 927,024.60/x
  3. Step 3: Cross multiply
    990,010.20x = 1,483,265.70 × 927,024.60
  4. Step 4: Simplify right side
    990,010.20x = 1,375,023,792,236.22
  5. Step 5: Solve for x
    x = 1,375,023,792,236.22/990,010.20
  6. Step 6: Final answer
    x = 1,388,898.61

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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.