Home / 764,745.60-1,147,118.40-735,715.20

Finding the Fourth Proportional to 764,745.60, 1,147,118.40 and 735,715.20

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Solution

The fourth proportional to 764,745.60, 1,147,118.40 and 735,715.20 is: 1,103,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,745.60 : 1,147,118.40 = 735,715.20 : x
  2. Step 2: Convert to fraction form
    764,745.60/1,147,118.40 = 735,715.20/x
  3. Step 3: Cross multiply
    764,745.60x = 1,147,118.40 × 735,715.20
  4. Step 4: Simplify right side
    764,745.60x = 843,952,443,079.68
  5. Step 5: Solve for x
    x = 843,952,443,079.68/764,745.60
  6. Step 6: Final answer
    x = 1,103,572.80

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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.