Home / 1,113,039.53-1,667,320.34-843,628.46

Finding the Fourth Proportional to 1,113,039.53, 1,667,320.34 and 843,628.46

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Solution

The fourth proportional to 1,113,039.53, 1,667,320.34 and 843,628.46 is: 1,263,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,039.53 : 1,667,320.34 = 843,628.46 : x
  2. Step 2: Convert to fraction form
    1,113,039.53/1,667,320.34 = 843,628.46/x
  3. Step 3: Cross multiply
    1,113,039.53x = 1,667,320.34 × 843,628.46
  4. Step 4: Simplify right side
    1,113,039.53x = 1,406,598,890,711.03
  5. Step 5: Solve for x
    x = 1,406,598,890,711.03/1,113,039.53
  6. Step 6: Final answer
    x = 1,263,745.68

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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.