Home / 1,203,794.35-1,805,166.57-455,315.47

Finding the Fourth Proportional to 1,203,794.35, 1,805,166.57 and 455,315.47

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Solution

The fourth proportional to 1,203,794.35, 1,805,166.57 and 455,315.47 is: 682,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,794.35 : 1,805,166.57 = 455,315.47 : x
  2. Step 2: Convert to fraction form
    1,203,794.35/1,805,166.57 = 455,315.47/x
  3. Step 3: Cross multiply
    1,203,794.35x = 1,805,166.57 × 455,315.47
  4. Step 4: Simplify right side
    1,203,794.35x = 821,920,265,247.84
  5. Step 5: Solve for x
    x = 821,920,265,247.84/1,203,794.35
  6. Step 6: Final answer
    x = 682,774.65

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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.