Home / 1,179,429.80-1,766,520.30-1,021,965.80

Finding the Fourth Proportional to 1,179,429.80, 1,766,520.30 and 1,021,965.80

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Solution

The fourth proportional to 1,179,429.80, 1,766,520.30 and 1,021,965.80 is: 1,530,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,429.80 : 1,766,520.30 = 1,021,965.80 : x
  2. Step 2: Convert to fraction form
    1,179,429.80/1,766,520.30 = 1,021,965.80/x
  3. Step 3: Cross multiply
    1,179,429.80x = 1,766,520.30 × 1,021,965.80
  4. Step 4: Simplify right side
    1,179,429.80x = 1,805,323,331,605.74
  5. Step 5: Solve for x
    x = 1,805,323,331,605.74/1,179,429.80
  6. Step 6: Final answer
    x = 1,530,674.68

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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.