Home / 1,188,294.30-1,782,966.33-479,706.30

Finding the Fourth Proportional to 1,188,294.30, 1,782,966.33 and 479,706.30

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Solution

The fourth proportional to 1,188,294.30, 1,782,966.33 and 479,706.30 is: 719,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,294.30 : 1,782,966.33 = 479,706.30 : x
  2. Step 2: Convert to fraction form
    1,188,294.30/1,782,966.33 = 479,706.30/x
  3. Step 3: Cross multiply
    1,188,294.30x = 1,782,966.33 × 479,706.30
  4. Step 4: Simplify right side
    1,188,294.30x = 855,300,181,188.88
  5. Step 5: Solve for x
    x = 855,300,181,188.88/1,188,294.30
  6. Step 6: Final answer
    x = 719,771.34

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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.