Home / 1,615,410.72-2,229,282-890,284.56

Finding the Fourth Proportional to 1,615,410.72, 2,229,282 and 890,284.56

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Solution

The fourth proportional to 1,615,410.72, 2,229,282 and 890,284.56 is: 1,228,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,410.72 : 2,229,282 = 890,284.56 : x
  2. Step 2: Convert to fraction form
    1,615,410.72/2,229,282 = 890,284.56/x
  3. Step 3: Cross multiply
    1,615,410.72x = 2,229,282 × 890,284.56
  4. Step 4: Simplify right side
    1,615,410.72x = 1,984,695,344,485.92
  5. Step 5: Solve for x
    x = 1,984,695,344,485.92/1,615,410.72
  6. Step 6: Final answer
    x = 1,228,601.07

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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.