Home / 1,739,909.80-2,609,735.10-728,770.60

Finding the Fourth Proportional to 1,739,909.80, 2,609,735.10 and 728,770.60

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Solution

The fourth proportional to 1,739,909.80, 2,609,735.10 and 728,770.60 is: 1,093,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,909.80 : 2,609,735.10 = 728,770.60 : x
  2. Step 2: Convert to fraction form
    1,739,909.80/2,609,735.10 = 728,770.60/x
  3. Step 3: Cross multiply
    1,739,909.80x = 2,609,735.10 × 728,770.60
  4. Step 4: Simplify right side
    1,739,909.80x = 1,901,898,214,668.06
  5. Step 5: Solve for x
    x = 1,901,898,214,668.06/1,739,909.80
  6. Step 6: Final answer
    x = 1,093,101.62

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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.