Home / 1,119,902.20-1,680,069.30-480,196.60

Finding the Fourth Proportional to 1,119,902.20, 1,680,069.30 and 480,196.60

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Solution

The fourth proportional to 1,119,902.20, 1,680,069.30 and 480,196.60 is: 720,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,902.20 : 1,680,069.30 = 480,196.60 : x
  2. Step 2: Convert to fraction form
    1,119,902.20/1,680,069.30 = 480,196.60/x
  3. Step 3: Cross multiply
    1,119,902.20x = 1,680,069.30 × 480,196.60
  4. Step 4: Simplify right side
    1,119,902.20x = 806,763,565,624.38
  5. Step 5: Solve for x
    x = 806,763,565,624.38/1,119,902.20
  6. Step 6: Final answer
    x = 720,387.52

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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.