Home / 1,420,108.30-1,958,451.36-1,110,051.84

Finding the Fourth Proportional to 1,420,108.30, 1,958,451.36 and 1,110,051.84

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Solution

The fourth proportional to 1,420,108.30, 1,958,451.36 and 1,110,051.84 is: 1,530,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,108.30 : 1,958,451.36 = 1,110,051.84 : x
  2. Step 2: Convert to fraction form
    1,420,108.30/1,958,451.36 = 1,110,051.84/x
  3. Step 3: Cross multiply
    1,420,108.30x = 1,958,451.36 × 1,110,051.84
  4. Step 4: Simplify right side
    1,420,108.30x = 2,173,982,545,144.04
  5. Step 5: Solve for x
    x = 2,173,982,545,144.04/1,420,108.30
  6. Step 6: Final answer
    x = 1,530,856.87

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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.