Home / 1,379,867.64-1,903,991.54-798,883.80

Finding the Fourth Proportional to 1,379,867.64, 1,903,991.54 and 798,883.80

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Solution

The fourth proportional to 1,379,867.64, 1,903,991.54 and 798,883.80 is: 1,102,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,867.64 : 1,903,991.54 = 798,883.80 : x
  2. Step 2: Convert to fraction form
    1,379,867.64/1,903,991.54 = 798,883.80/x
  3. Step 3: Cross multiply
    1,379,867.64x = 1,903,991.54 × 798,883.80
  4. Step 4: Simplify right side
    1,379,867.64x = 1,521,067,996,643.05
  5. Step 5: Solve for x
    x = 1,521,067,996,643.05/1,379,867.64
  6. Step 6: Final answer
    x = 1,102,328.91

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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.