Home / 1,109,438.76-1,665,198.24-577,336.80

Finding the Fourth Proportional to 1,109,438.76, 1,665,198.24 and 577,336.80

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Solution

The fourth proportional to 1,109,438.76, 1,665,198.24 and 577,336.80 is: 866,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,438.76 : 1,665,198.24 = 577,336.80 : x
  2. Step 2: Convert to fraction form
    1,109,438.76/1,665,198.24 = 577,336.80/x
  3. Step 3: Cross multiply
    1,109,438.76x = 1,665,198.24 × 577,336.80
  4. Step 4: Simplify right side
    1,109,438.76x = 961,380,223,247.23
  5. Step 5: Solve for x
    x = 961,380,223,247.23/1,109,438.76
  6. Step 6: Final answer
    x = 866,546.45

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Double scale
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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.