Home / 1,143,245.14-1,714,868.38-290,380.76

Finding the Fourth Proportional to 1,143,245.14, 1,714,868.38 and 290,380.76

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Solution

The fourth proportional to 1,143,245.14, 1,714,868.38 and 290,380.76 is: 435,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,245.14 : 1,714,868.38 = 290,380.76 : x
  2. Step 2: Convert to fraction form
    1,143,245.14/1,714,868.38 = 290,380.76/x
  3. Step 3: Cross multiply
    1,143,245.14x = 1,714,868.38 × 290,380.76
  4. Step 4: Simplify right side
    1,143,245.14x = 497,964,783,484.37
  5. Step 5: Solve for x
    x = 497,964,783,484.37/1,143,245.14
  6. Step 6: Final answer
    x = 435,571.31

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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.