Home / 1,180,335.90-1,768,171.05-646,902.30

Finding the Fourth Proportional to 1,180,335.90, 1,768,171.05 and 646,902.30

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Solution

The fourth proportional to 1,180,335.90, 1,768,171.05 and 646,902.30 is: 969,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,335.90 : 1,768,171.05 = 646,902.30 : x
  2. Step 2: Convert to fraction form
    1,180,335.90/1,768,171.05 = 646,902.30/x
  3. Step 3: Cross multiply
    1,180,335.90x = 1,768,171.05 × 646,902.30
  4. Step 4: Simplify right side
    1,180,335.90x = 1,143,833,919,038.42
  5. Step 5: Solve for x
    x = 1,143,833,919,038.42/1,180,335.90
  6. Step 6: Final answer
    x = 969,074.92

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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.