Home / 1,340,067.20-2,010,177.36-380,447.76

Finding the Fourth Proportional to 1,340,067.20, 2,010,177.36 and 380,447.76

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Solution

The fourth proportional to 1,340,067.20, 2,010,177.36 and 380,447.76 is: 570,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,067.20 : 2,010,177.36 = 380,447.76 : x
  2. Step 2: Convert to fraction form
    1,340,067.20/2,010,177.36 = 380,447.76/x
  3. Step 3: Cross multiply
    1,340,067.20x = 2,010,177.36 × 380,447.76
  4. Step 4: Simplify right side
    1,340,067.20x = 764,767,473,814.71
  5. Step 5: Solve for x
    x = 764,767,473,814.71/1,340,067.20
  6. Step 6: Final answer
    x = 570,693.38

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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.