Home / 1,383,265.50-1,908,906.39-747,361.50

Finding the Fourth Proportional to 1,383,265.50, 1,908,906.39 and 747,361.50

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Solution

The fourth proportional to 1,383,265.50, 1,908,906.39 and 747,361.50 is: 1,031,358.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,265.50 : 1,908,906.39 = 747,361.50 : x
  2. Step 2: Convert to fraction form
    1,383,265.50/1,908,906.39 = 747,361.50/x
  3. Step 3: Cross multiply
    1,383,265.50x = 1,908,906.39 × 747,361.50
  4. Step 4: Simplify right side
    1,383,265.50x = 1,426,643,142,989.99
  5. Step 5: Solve for x
    x = 1,426,643,142,989.99/1,383,265.50
  6. Step 6: Final answer
    x = 1,031,358.87

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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.