Home / 1,615,930.10-2,229,999.07-890,803.77

Finding the Fourth Proportional to 1,615,930.10, 2,229,999.07 and 890,803.77

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Solution

The fourth proportional to 1,615,930.10, 2,229,999.07 and 890,803.77 is: 1,229,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,930.10 : 2,229,999.07 = 890,803.77 : x
  2. Step 2: Convert to fraction form
    1,615,930.10/2,229,999.07 = 890,803.77/x
  3. Step 3: Cross multiply
    1,615,930.10x = 2,229,999.07 × 890,803.77
  4. Step 4: Simplify right side
    1,615,930.10x = 1,986,491,582,276.99
  5. Step 5: Solve for x
    x = 1,986,491,582,276.99/1,615,930.10
  6. Step 6: Final answer
    x = 1,229,317.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.