Home / 1,180,103.76-1,629,136.08-696,820.32

Finding the Fourth Proportional to 1,180,103.76, 1,629,136.08 and 696,820.32

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Solution

The fourth proportional to 1,180,103.76, 1,629,136.08 and 696,820.32 is: 961,962.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,103.76 : 1,629,136.08 = 696,820.32 : x
  2. Step 2: Convert to fraction form
    1,180,103.76/1,629,136.08 = 696,820.32/x
  3. Step 3: Cross multiply
    1,180,103.76x = 1,629,136.08 × 696,820.32
  4. Step 4: Simplify right side
    1,180,103.76x = 1,135,215,124,589.15
  5. Step 5: Solve for x
    x = 1,135,215,124,589.15/1,180,103.76
  6. Step 6: Final answer
    x = 961,962.13

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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.