Home / 1,396,199.30-2,084,840.67-1,108,662.98

Finding the Fourth Proportional to 1,396,199.30, 2,084,840.67 and 1,108,662.98

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Solution

The fourth proportional to 1,396,199.30, 2,084,840.67 and 1,108,662.98 is: 1,655,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,199.30 : 2,084,840.67 = 1,108,662.98 : x
  2. Step 2: Convert to fraction form
    1,396,199.30/2,084,840.67 = 1,108,662.98/x
  3. Step 3: Cross multiply
    1,396,199.30x = 2,084,840.67 × 1,108,662.98
  4. Step 4: Simplify right side
    1,396,199.30x = 2,311,385,664,484.08
  5. Step 5: Solve for x
    x = 2,311,385,664,484.08/1,396,199.30
  6. Step 6: Final answer
    x = 1,655,484.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.