Home / 1,451,617.10-2,003,011.81-831,325.80

Finding the Fourth Proportional to 1,451,617.10, 2,003,011.81 and 831,325.80

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Solution

The fourth proportional to 1,451,617.10, 2,003,011.81 and 831,325.80 is: 1,147,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,617.10 : 2,003,011.81 = 831,325.80 : x
  2. Step 2: Convert to fraction form
    1,451,617.10/2,003,011.81 = 831,325.80/x
  3. Step 3: Cross multiply
    1,451,617.10x = 2,003,011.81 × 831,325.80
  4. Step 4: Simplify right side
    1,451,617.10x = 1,665,155,395,357.70
  5. Step 5: Solve for x
    x = 1,665,155,395,357.70/1,451,617.10
  6. Step 6: Final answer
    x = 1,147,103.73

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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.