Home / 1,767,930.73-2,439,761.47-1,003,989.76

Finding the Fourth Proportional to 1,767,930.73, 2,439,761.47 and 1,003,989.76

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Solution

The fourth proportional to 1,767,930.73, 2,439,761.47 and 1,003,989.76 is: 1,385,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,930.73 : 2,439,761.47 = 1,003,989.76 : x
  2. Step 2: Convert to fraction form
    1,767,930.73/2,439,761.47 = 1,003,989.76/x
  3. Step 3: Cross multiply
    1,767,930.73x = 2,439,761.47 × 1,003,989.76
  4. Step 4: Simplify right side
    1,767,930.73x = 2,449,495,540,660.55
  5. Step 5: Solve for x
    x = 2,449,495,540,660.55/1,767,930.73
  6. Step 6: Final answer
    x = 1,385,515.56

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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.