Home / 1,331,512.94-1,997,284.05-384,891.86

Finding the Fourth Proportional to 1,331,512.94, 1,997,284.05 and 384,891.86

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Solution

The fourth proportional to 1,331,512.94, 1,997,284.05 and 384,891.86 is: 577,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,512.94 : 1,997,284.05 = 384,891.86 : x
  2. Step 2: Convert to fraction form
    1,331,512.94/1,997,284.05 = 384,891.86/x
  3. Step 3: Cross multiply
    1,331,512.94x = 1,997,284.05 × 384,891.86
  4. Step 4: Simplify right side
    1,331,512.94x = 768,738,372,952.83
  5. Step 5: Solve for x
    x = 768,738,372,952.83/1,331,512.94
  6. Step 6: Final answer
    x = 577,342.02

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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.