Home / 1,180,334.90-1,768,169.55-646,901.30

Finding the Fourth Proportional to 1,180,334.90, 1,768,169.55 and 646,901.30

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Solution

The fourth proportional to 1,180,334.90, 1,768,169.55 and 646,901.30 is: 969,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,334.90 : 1,768,169.55 = 646,901.30 : x
  2. Step 2: Convert to fraction form
    1,180,334.90/1,768,169.55 = 646,901.30/x
  3. Step 3: Cross multiply
    1,180,334.90x = 1,768,169.55 × 646,901.30
  4. Step 4: Simplify right side
    1,180,334.90x = 1,143,831,180,515.42
  5. Step 5: Solve for x
    x = 1,143,831,180,515.42/1,180,334.90
  6. Step 6: Final answer
    x = 969,073.42

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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.