Home / 959,220.20-1,438,830.30-918,266.60

Finding the Fourth Proportional to 959,220.20, 1,438,830.30 and 918,266.60

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Solution

The fourth proportional to 959,220.20, 1,438,830.30 and 918,266.60 is: 1,377,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,220.20 : 1,438,830.30 = 918,266.60 : x
  2. Step 2: Convert to fraction form
    959,220.20/1,438,830.30 = 918,266.60/x
  3. Step 3: Cross multiply
    959,220.20x = 1,438,830.30 × 918,266.60
  4. Step 4: Simplify right side
    959,220.20x = 1,321,229,807,557.98
  5. Step 5: Solve for x
    x = 1,321,229,807,557.98/959,220.20
  6. Step 6: Final answer
    x = 1,377,399.90

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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.