Home / 929,021.20-1,394,568.60-868,109.20

Finding the Fourth Proportional to 929,021.20, 1,394,568.60 and 868,109.20

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Solution

The fourth proportional to 929,021.20, 1,394,568.60 and 868,109.20 is: 1,303,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,021.20 : 1,394,568.60 = 868,109.20 : x
  2. Step 2: Convert to fraction form
    929,021.20/1,394,568.60 = 868,109.20/x
  3. Step 3: Cross multiply
    929,021.20x = 1,394,568.60 × 868,109.20
  4. Step 4: Simplify right side
    929,021.20x = 1,210,637,831,691.12
  5. Step 5: Solve for x
    x = 1,210,637,831,691.12/929,021.20
  6. Step 6: Final answer
    x = 1,303,132.62

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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.