Home / 874,993.87-1,312,961.33-843,146.02

Finding the Fourth Proportional to 874,993.87, 1,312,961.33 and 843,146.02

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Solution

The fourth proportional to 874,993.87, 1,312,961.33 and 843,146.02 is: 1,265,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,993.87 : 1,312,961.33 = 843,146.02 : x
  2. Step 2: Convert to fraction form
    874,993.87/1,312,961.33 = 843,146.02/x
  3. Step 3: Cross multiply
    874,993.87x = 1,312,961.33 × 843,146.02
  4. Step 4: Simplify right side
    874,993.87x = 1,107,018,119,803.41
  5. Step 5: Solve for x
    x = 1,107,018,119,803.41/874,993.87
  6. Step 6: Final answer
    x = 1,265,172.43

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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.