Home / 1,259,944.10-1,889,923.68-313,314.83

Finding the Fourth Proportional to 1,259,944.10, 1,889,923.68 and 313,314.83

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Solution

The fourth proportional to 1,259,944.10, 1,889,923.68 and 313,314.83 is: 469,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,944.10 : 1,889,923.68 = 313,314.83 : x
  2. Step 2: Convert to fraction form
    1,259,944.10/1,889,923.68 = 313,314.83/x
  3. Step 3: Cross multiply
    1,259,944.10x = 1,889,923.68 × 313,314.83
  4. Step 4: Simplify right side
    1,259,944.10x = 592,141,116,512.18
  5. Step 5: Solve for x
    x = 592,141,116,512.18/1,259,944.10
  6. Step 6: Final answer
    x = 469,974.12

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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.