Home / 1,389,162.42-2,083,824.36-536,238.90

Finding the Fourth Proportional to 1,389,162.42, 2,083,824.36 and 536,238.90

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Solution

The fourth proportional to 1,389,162.42, 2,083,824.36 and 536,238.90 is: 804,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,162.42 : 2,083,824.36 = 536,238.90 : x
  2. Step 2: Convert to fraction form
    1,389,162.42/2,083,824.36 = 536,238.90/x
  3. Step 3: Cross multiply
    1,389,162.42x = 2,083,824.36 × 536,238.90
  4. Step 4: Simplify right side
    1,389,162.42x = 1,117,427,682,599.60
  5. Step 5: Solve for x
    x = 1,117,427,682,599.60/1,389,162.42
  6. Step 6: Final answer
    x = 804,389.51

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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.