Home / 1,667,121.21-2,300,612.81-903,172.95

Finding the Fourth Proportional to 1,667,121.21, 2,300,612.81 and 903,172.95

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Solution

The fourth proportional to 1,667,121.21, 2,300,612.81 and 903,172.95 is: 1,246,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,121.21 : 2,300,612.81 = 903,172.95 : x
  2. Step 2: Convert to fraction form
    1,667,121.21/2,300,612.81 = 903,172.95/x
  3. Step 3: Cross multiply
    1,667,121.21x = 2,300,612.81 × 903,172.95
  4. Step 4: Simplify right side
    1,667,121.21x = 2,077,851,253,899.62
  5. Step 5: Solve for x
    x = 2,077,851,253,899.62/1,667,121.21
  6. Step 6: Final answer
    x = 1,246,370.83

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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.