Home / 1,615,199.20-2,229,074.08-890,046.56

Finding the Fourth Proportional to 1,615,199.20, 2,229,074.08 and 890,046.56

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Solution

The fourth proportional to 1,615,199.20, 2,229,074.08 and 890,046.56 is: 1,228,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,199.20 : 2,229,074.08 = 890,046.56 : x
  2. Step 2: Convert to fraction form
    1,615,199.20/2,229,074.08 = 890,046.56/x
  3. Step 3: Cross multiply
    1,615,199.20x = 2,229,074.08 × 890,046.56
  4. Step 4: Simplify right side
    1,615,199.20x = 1,983,979,716,889.17
  5. Step 5: Solve for x
    x = 1,983,979,716,889.17/1,615,199.20
  6. Step 6: Final answer
    x = 1,228,318.91

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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.