Home / 1,067,200.80-1,600,801.20-980,109.60

Finding the Fourth Proportional to 1,067,200.80, 1,600,801.20 and 980,109.60

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Solution

The fourth proportional to 1,067,200.80, 1,600,801.20 and 980,109.60 is: 1,470,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,200.80 : 1,600,801.20 = 980,109.60 : x
  2. Step 2: Convert to fraction form
    1,067,200.80/1,600,801.20 = 980,109.60/x
  3. Step 3: Cross multiply
    1,067,200.80x = 1,600,801.20 × 980,109.60
  4. Step 4: Simplify right side
    1,067,200.80x = 1,568,960,623,811.52
  5. Step 5: Solve for x
    x = 1,568,960,623,811.52/1,067,200.80
  6. Step 6: Final answer
    x = 1,470,164.40

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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.