Home / 1,109,336.40-1,660,505.40-794,408.40

Finding the Fourth Proportional to 1,109,336.40, 1,660,505.40 and 794,408.40

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Solution

The fourth proportional to 1,109,336.40, 1,660,505.40 and 794,408.40 is: 1,189,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,336.40 : 1,660,505.40 = 794,408.40 : x
  2. Step 2: Convert to fraction form
    1,109,336.40/1,660,505.40 = 794,408.40/x
  3. Step 3: Cross multiply
    1,109,336.40x = 1,660,505.40 × 794,408.40
  4. Step 4: Simplify right side
    1,109,336.40x = 1,319,119,438,005.36
  5. Step 5: Solve for x
    x = 1,319,119,438,005.36/1,109,336.40
  6. Step 6: Final answer
    x = 1,189,106.78

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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.