Home / 1,021,834.92-1,410,026.28-629,305.76

Finding the Fourth Proportional to 1,021,834.92, 1,410,026.28 and 629,305.76

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Solution

The fourth proportional to 1,021,834.92, 1,410,026.28 and 629,305.76 is: 868,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,834.92 : 1,410,026.28 = 629,305.76 : x
  2. Step 2: Convert to fraction form
    1,021,834.92/1,410,026.28 = 629,305.76/x
  3. Step 3: Cross multiply
    1,021,834.92x = 1,410,026.28 × 629,305.76
  4. Step 4: Simplify right side
    1,021,834.92x = 887,337,659,755.37
  5. Step 5: Solve for x
    x = 887,337,659,755.37/1,021,834.92
  6. Step 6: Final answer
    x = 868,376.72

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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.