Home / 764,067.60-1,146,101.40-698,749.20

Finding the Fourth Proportional to 764,067.60, 1,146,101.40 and 698,749.20

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Solution

The fourth proportional to 764,067.60, 1,146,101.40 and 698,749.20 is: 1,048,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,067.60 : 1,146,101.40 = 698,749.20 : x
  2. Step 2: Convert to fraction form
    764,067.60/1,146,101.40 = 698,749.20/x
  3. Step 3: Cross multiply
    764,067.60x = 1,146,101.40 × 698,749.20
  4. Step 4: Simplify right side
    764,067.60x = 800,837,436,368.88
  5. Step 5: Solve for x
    x = 800,837,436,368.88/764,067.60
  6. Step 6: Final answer
    x = 1,048,123.80

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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.