Home / 1,119,901.20-1,680,067.80-480,195.60

Finding the Fourth Proportional to 1,119,901.20, 1,680,067.80 and 480,195.60

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Solution

The fourth proportional to 1,119,901.20, 1,680,067.80 and 480,195.60 is: 720,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,901.20 : 1,680,067.80 = 480,195.60 : x
  2. Step 2: Convert to fraction form
    1,119,901.20/1,680,067.80 = 480,195.60/x
  3. Step 3: Cross multiply
    1,119,901.20x = 1,680,067.80 × 480,195.60
  4. Step 4: Simplify right side
    1,119,901.20x = 806,761,165,261.68
  5. Step 5: Solve for x
    x = 806,761,165,261.68/1,119,901.20
  6. Step 6: Final answer
    x = 720,386.02

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1.5x scale

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.