Home / 1,302,940.80-1,950,609.60-929,692.80

Finding the Fourth Proportional to 1,302,940.80, 1,950,609.60 and 929,692.80

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Solution

The fourth proportional to 1,302,940.80, 1,950,609.60 and 929,692.80 is: 1,391,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,940.80 : 1,950,609.60 = 929,692.80 : x
  2. Step 2: Convert to fraction form
    1,302,940.80/1,950,609.60 = 929,692.80/x
  3. Step 3: Cross multiply
    1,302,940.80x = 1,950,609.60 × 929,692.80
  4. Step 4: Simplify right side
    1,302,940.80x = 1,813,467,700,730.88
  5. Step 5: Solve for x
    x = 1,813,467,700,730.88/1,302,940.80
  6. Step 6: Final answer
    x = 1,391,826.63

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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.