Home / 1,008,243.20-1,391,358.01-549,361.57

Finding the Fourth Proportional to 1,008,243.20, 1,391,358.01 and 549,361.57

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Solution

The fourth proportional to 1,008,243.20, 1,391,358.01 and 549,361.57 is: 758,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,243.20 : 1,391,358.01 = 549,361.57 : x
  2. Step 2: Convert to fraction form
    1,008,243.20/1,391,358.01 = 549,361.57/x
  3. Step 3: Cross multiply
    1,008,243.20x = 1,391,358.01 × 549,361.57
  4. Step 4: Simplify right side
    1,008,243.20x = 764,358,615,679.53
  5. Step 5: Solve for x
    x = 764,358,615,679.53/1,008,243.20
  6. Step 6: Final answer
    x = 758,109.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.