Home / 1,022,812.29-1,534,279.94-312,846.48

Finding the Fourth Proportional to 1,022,812.29, 1,534,279.94 and 312,846.48

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Solution

The fourth proportional to 1,022,812.29, 1,534,279.94 and 312,846.48 is: 469,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,812.29 : 1,534,279.94 = 312,846.48 : x
  2. Step 2: Convert to fraction form
    1,022,812.29/1,534,279.94 = 312,846.48/x
  3. Step 3: Cross multiply
    1,022,812.29x = 1,534,279.94 × 312,846.48
  4. Step 4: Simplify right side
    1,022,812.29x = 479,994,078,563.61
  5. Step 5: Solve for x
    x = 479,994,078,563.61/1,022,812.29
  6. Step 6: Final answer
    x = 469,288.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.