Home / 1,422,072.30-2,133,320.91-523,445.75

Finding the Fourth Proportional to 1,422,072.30, 2,133,320.91 and 523,445.75

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Solution

The fourth proportional to 1,422,072.30, 2,133,320.91 and 523,445.75 is: 785,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,072.30 : 2,133,320.91 = 523,445.75 : x
  2. Step 2: Convert to fraction form
    1,422,072.30/2,133,320.91 = 523,445.75/x
  3. Step 3: Cross multiply
    1,422,072.30x = 2,133,320.91 × 523,445.75
  4. Step 4: Simplify right side
    1,422,072.30x = 1,116,677,763,725.63
  5. Step 5: Solve for x
    x = 1,116,677,763,725.63/1,422,072.30
  6. Step 6: Final answer
    x = 785,246.83

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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.