Home / 1,217,226.88-1,679,898.65-700,997.68

Finding the Fourth Proportional to 1,217,226.88, 1,679,898.65 and 700,997.68

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Solution

The fourth proportional to 1,217,226.88, 1,679,898.65 and 700,997.68 is: 967,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,226.88 : 1,679,898.65 = 700,997.68 : x
  2. Step 2: Convert to fraction form
    1,217,226.88/1,679,898.65 = 700,997.68/x
  3. Step 3: Cross multiply
    1,217,226.88x = 1,679,898.65 × 700,997.68
  4. Step 4: Simplify right side
    1,217,226.88x = 1,177,605,056,285.13
  5. Step 5: Solve for x
    x = 1,177,605,056,285.13/1,217,226.88
  6. Step 6: Final answer
    x = 967,449.11

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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.