Home / 1,103,212.80-1,656,374.40-683,308.80

Finding the Fourth Proportional to 1,103,212.80, 1,656,374.40 and 683,308.80

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Solution

The fourth proportional to 1,103,212.80, 1,656,374.40 and 683,308.80 is: 1,025,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,212.80 : 1,656,374.40 = 683,308.80 : x
  2. Step 2: Convert to fraction form
    1,103,212.80/1,656,374.40 = 683,308.80/x
  3. Step 3: Cross multiply
    1,103,212.80x = 1,656,374.40 × 683,308.80
  4. Step 4: Simplify right side
    1,103,212.80x = 1,131,815,203,614.72
  5. Step 5: Solve for x
    x = 1,131,815,203,614.72/1,103,212.80
  6. Step 6: Final answer
    x = 1,025,926.46

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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.