Home / 886,855.40-1,330,283.10-872,858.60

Finding the Fourth Proportional to 886,855.40, 1,330,283.10 and 872,858.60

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Solution

The fourth proportional to 886,855.40, 1,330,283.10 and 872,858.60 is: 1,309,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,855.40 : 1,330,283.10 = 872,858.60 : x
  2. Step 2: Convert to fraction form
    886,855.40/1,330,283.10 = 872,858.60/x
  3. Step 3: Cross multiply
    886,855.40x = 1,330,283.10 × 872,858.60
  4. Step 4: Simplify right side
    886,855.40x = 1,161,149,044,269.66
  5. Step 5: Solve for x
    x = 1,161,149,044,269.66/886,855.40
  6. Step 6: Final answer
    x = 1,309,287.90

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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.