Home / 1,140,861.52-1,573,164.61-961,549.39

Finding the Fourth Proportional to 1,140,861.52, 1,573,164.61 and 961,549.39

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Solution

The fourth proportional to 1,140,861.52, 1,573,164.61 and 961,549.39 is: 1,325,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,861.52 : 1,573,164.61 = 961,549.39 : x
  2. Step 2: Convert to fraction form
    1,140,861.52/1,573,164.61 = 961,549.39/x
  3. Step 3: Cross multiply
    1,140,861.52x = 1,573,164.61 × 961,549.39
  4. Step 4: Simplify right side
    1,140,861.52x = 1,512,675,471,115.09
  5. Step 5: Solve for x
    x = 1,512,675,471,115.09/1,140,861.52
  6. Step 6: Final answer
    x = 1,325,906.30

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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.