Home / 921,246.80-1,379,537.40-683,301.20

Finding the Fourth Proportional to 921,246.80, 1,379,537.40 and 683,301.20

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Solution

The fourth proportional to 921,246.80, 1,379,537.40 and 683,301.20 is: 1,023,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,246.80 : 1,379,537.40 = 683,301.20 : x
  2. Step 2: Convert to fraction form
    921,246.80/1,379,537.40 = 683,301.20/x
  3. Step 3: Cross multiply
    921,246.80x = 1,379,537.40 × 683,301.20
  4. Step 4: Simplify right side
    921,246.80x = 942,639,560,864.88
  5. Step 5: Solve for x
    x = 942,639,560,864.88/921,246.80
  6. Step 6: Final answer
    x = 1,023,221.53

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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.