Home / 1,280,767.20-1,767,464.22-700,002.06

Finding the Fourth Proportional to 1,280,767.20, 1,767,464.22 and 700,002.06

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Solution

The fourth proportional to 1,280,767.20, 1,767,464.22 and 700,002.06 is: 966,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,767.20 : 1,767,464.22 = 700,002.06 : x
  2. Step 2: Convert to fraction form
    1,280,767.20/1,767,464.22 = 700,002.06/x
  3. Step 3: Cross multiply
    1,280,767.20x = 1,767,464.22 × 700,002.06
  4. Step 4: Simplify right side
    1,280,767.20x = 1,237,228,594,976.29
  5. Step 5: Solve for x
    x = 1,237,228,594,976.29/1,280,767.20
  6. Step 6: Final answer
    x = 966,005.84

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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.