Home / 1,479,615.85-2,220,590.58-759,928.42

Finding the Fourth Proportional to 1,479,615.85, 2,220,590.58 and 759,928.42

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Solution

The fourth proportional to 1,479,615.85, 2,220,590.58 and 759,928.42 is: 1,140,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,615.85 : 2,220,590.58 = 759,928.42 : x
  2. Step 2: Convert to fraction form
    1,479,615.85/2,220,590.58 = 759,928.42/x
  3. Step 3: Cross multiply
    1,479,615.85x = 2,220,590.58 × 759,928.42
  4. Step 4: Simplify right side
    1,479,615.85x = 1,687,489,890,926.28
  5. Step 5: Solve for x
    x = 1,687,489,890,926.28/1,479,615.85
  6. Step 6: Final answer
    x = 1,140,491.90

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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.