Home / 1,212,667.28-1,818,690.65-359,539.43

Finding the Fourth Proportional to 1,212,667.28, 1,818,690.65 and 359,539.43

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Solution

The fourth proportional to 1,212,667.28, 1,818,690.65 and 359,539.43 is: 539,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,667.28 : 1,818,690.65 = 359,539.43 : x
  2. Step 2: Convert to fraction form
    1,212,667.28/1,818,690.65 = 359,539.43/x
  3. Step 3: Cross multiply
    1,212,667.28x = 1,818,690.65 × 359,539.43
  4. Step 4: Simplify right side
    1,212,667.28x = 653,891,002,396.36
  5. Step 5: Solve for x
    x = 653,891,002,396.36/1,212,667.28
  6. Step 6: Final answer
    x = 539,217.16

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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.