Home / 1,040,620.23-1,559,983.05-400,515.30

Finding the Fourth Proportional to 1,040,620.23, 1,559,983.05 and 400,515.30

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Solution

The fourth proportional to 1,040,620.23, 1,559,983.05 and 400,515.30 is: 600,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,620.23 : 1,559,983.05 = 400,515.30 : x
  2. Step 2: Convert to fraction form
    1,040,620.23/1,559,983.05 = 400,515.30/x
  3. Step 3: Cross multiply
    1,040,620.23x = 1,559,983.05 × 400,515.30
  4. Step 4: Simplify right side
    1,040,620.23x = 624,797,079,265.67
  5. Step 5: Solve for x
    x = 624,797,079,265.67/1,040,620.23
  6. Step 6: Final answer
    x = 600,408.35

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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.