Home / 1,266,288.52-1,899,432.80-379,824.52

Finding the Fourth Proportional to 1,266,288.52, 1,899,432.80 and 379,824.52

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Solution

The fourth proportional to 1,266,288.52, 1,899,432.80 and 379,824.52 is: 569,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,288.52 : 1,899,432.80 = 379,824.52 : x
  2. Step 2: Convert to fraction form
    1,266,288.52/1,899,432.80 = 379,824.52/x
  3. Step 3: Cross multiply
    1,266,288.52x = 1,899,432.80 × 379,824.52
  4. Step 4: Simplify right side
    1,266,288.52x = 721,451,151,532.26
  5. Step 5: Solve for x
    x = 721,451,151,532.26/1,266,288.52
  6. Step 6: Final answer
    x = 569,736.79

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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.