Home / 1,282,002.21-1,769,052.83-708,898.86

Finding the Fourth Proportional to 1,282,002.21, 1,769,052.83 and 708,898.86

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Solution

The fourth proportional to 1,282,002.21, 1,769,052.83 and 708,898.86 is: 978,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,002.21 : 1,769,052.83 = 708,898.86 : x
  2. Step 2: Convert to fraction form
    1,282,002.21/1,769,052.83 = 708,898.86/x
  3. Step 3: Cross multiply
    1,282,002.21x = 1,769,052.83 × 708,898.86
  4. Step 4: Simplify right side
    1,282,002.21x = 1,254,079,530,922.28
  5. Step 5: Solve for x
    x = 1,254,079,530,922.28/1,282,002.21
  6. Step 6: Final answer
    x = 978,219.48

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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.