Home / 1,215,371.52-1,820,606.72-1,017,667.84

Finding the Fourth Proportional to 1,215,371.52, 1,820,606.72 and 1,017,667.84

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Solution

The fourth proportional to 1,215,371.52, 1,820,606.72 and 1,017,667.84 is: 1,524,449.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,371.52 : 1,820,606.72 = 1,017,667.84 : x
  2. Step 2: Convert to fraction form
    1,215,371.52/1,820,606.72 = 1,017,667.84/x
  3. Step 3: Cross multiply
    1,215,371.52x = 1,820,606.72 × 1,017,667.84
  4. Step 4: Simplify right side
    1,215,371.52x = 1,852,772,908,231.88
  5. Step 5: Solve for x
    x = 1,852,772,908,231.88/1,215,371.52
  6. Step 6: Final answer
    x = 1,524,449.83

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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.