Home / 906,940.80-1,361,723.40-683,866.80

Finding the Fourth Proportional to 906,940.80, 1,361,723.40 and 683,866.80

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Solution

The fourth proportional to 906,940.80, 1,361,723.40 and 683,866.80 is: 1,026,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,940.80 : 1,361,723.40 = 683,866.80 : x
  2. Step 2: Convert to fraction form
    906,940.80/1,361,723.40 = 683,866.80/x
  3. Step 3: Cross multiply
    906,940.80x = 1,361,723.40 × 683,866.80
  4. Step 4: Simplify right side
    906,940.80x = 931,237,424,043.12
  5. Step 5: Solve for x
    x = 931,237,424,043.12/906,940.80
  6. Step 6: Final answer
    x = 1,026,789.65

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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.