Home / 1,283,205.80-1,770,865.80-739,298.90

Finding the Fourth Proportional to 1,283,205.80, 1,770,865.80 and 739,298.90

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Solution

The fourth proportional to 1,283,205.80, 1,770,865.80 and 739,298.90 is: 1,020,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,205.80 : 1,770,865.80 = 739,298.90 : x
  2. Step 2: Convert to fraction form
    1,283,205.80/1,770,865.80 = 739,298.90/x
  3. Step 3: Cross multiply
    1,283,205.80x = 1,770,865.80 × 739,298.90
  4. Step 4: Simplify right side
    1,283,205.80x = 1,309,199,137,987.62
  5. Step 5: Solve for x
    x = 1,309,199,137,987.62/1,283,205.80
  6. Step 6: Final answer
    x = 1,020,256.56

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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.