Home / 1,960,383.45-2,705,011.77-1,225,251.04

Finding the Fourth Proportional to 1,960,383.45, 2,705,011.77 and 1,225,251.04

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Solution

The fourth proportional to 1,960,383.45, 2,705,011.77 and 1,225,251.04 is: 1,690,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,383.45 : 2,705,011.77 = 1,225,251.04 : x
  2. Step 2: Convert to fraction form
    1,960,383.45/2,705,011.77 = 1,225,251.04/x
  3. Step 3: Cross multiply
    1,960,383.45x = 2,705,011.77 × 1,225,251.04
  4. Step 4: Simplify right side
    1,960,383.45x = 3,314,318,484,404.74
  5. Step 5: Solve for x
    x = 3,314,318,484,404.74/1,960,383.45
  6. Step 6: Final answer
    x = 1,690,648.06

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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.