Home / 1,000,142.33-1,380,200.81-541,256.96

Finding the Fourth Proportional to 1,000,142.33, 1,380,200.81 and 541,256.96

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Solution

The fourth proportional to 1,000,142.33, 1,380,200.81 and 541,256.96 is: 746,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,142.33 : 1,380,200.81 = 541,256.96 : x
  2. Step 2: Convert to fraction form
    1,000,142.33/1,380,200.81 = 541,256.96/x
  3. Step 3: Cross multiply
    1,000,142.33x = 1,380,200.81 × 541,256.96
  4. Step 4: Simplify right side
    1,000,142.33x = 747,043,295,354.36
  5. Step 5: Solve for x
    x = 747,043,295,354.36/1,000,142.33
  6. Step 6: Final answer
    x = 746,936.99

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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.