Home / 1,138,673.30-1,709,839.71-755,014.73

Finding the Fourth Proportional to 1,138,673.30, 1,709,839.71 and 755,014.73

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Solution

The fourth proportional to 1,138,673.30, 1,709,839.71 and 755,014.73 is: 1,133,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,673.30 : 1,709,839.71 = 755,014.73 : x
  2. Step 2: Convert to fraction form
    1,138,673.30/1,709,839.71 = 755,014.73/x
  3. Step 3: Cross multiply
    1,138,673.30x = 1,709,839.71 × 755,014.73
  4. Step 4: Simplify right side
    1,138,673.30x = 1,290,954,158,439.73
  5. Step 5: Solve for x
    x = 1,290,954,158,439.73/1,138,673.30
  6. Step 6: Final answer
    x = 1,133,735.34

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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.