Home / 1,217,337.92-1,679,976.48-673,464.80

Finding the Fourth Proportional to 1,217,337.92, 1,679,976.48 and 673,464.80

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Solution

The fourth proportional to 1,217,337.92, 1,679,976.48 and 673,464.80 is: 929,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,337.92 : 1,679,976.48 = 673,464.80 : x
  2. Step 2: Convert to fraction form
    1,217,337.92/1,679,976.48 = 673,464.80/x
  3. Step 3: Cross multiply
    1,217,337.92x = 1,679,976.48 × 673,464.80
  4. Step 4: Simplify right side
    1,217,337.92x = 1,131,405,024,107.90
  5. Step 5: Solve for x
    x = 1,131,405,024,107.90/1,217,337.92
  6. Step 6: Final answer
    x = 929,409.17

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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.