Home / 1,331,257.06-1,997,217.74-384,627.78

Finding the Fourth Proportional to 1,331,257.06, 1,997,217.74 and 384,627.78

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Solution

The fourth proportional to 1,331,257.06, 1,997,217.74 and 384,627.78 is: 577,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,257.06 : 1,997,217.74 = 384,627.78 : x
  2. Step 2: Convert to fraction form
    1,331,257.06/1,997,217.74 = 384,627.78/x
  3. Step 3: Cross multiply
    1,331,257.06x = 1,997,217.74 × 384,627.78
  4. Step 4: Simplify right side
    1,331,257.06x = 768,185,426,474.39
  5. Step 5: Solve for x
    x = 768,185,426,474.39/1,331,257.06
  6. Step 6: Final answer
    x = 577,037.64

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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.