Home / 1,379,226.42-1,903,296.24-767,380.50

Finding the Fourth Proportional to 1,379,226.42, 1,903,296.24 and 767,380.50

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Solution

The fourth proportional to 1,379,226.42, 1,903,296.24 and 767,380.50 is: 1,058,964.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,226.42 : 1,903,296.24 = 767,380.50 : x
  2. Step 2: Convert to fraction form
    1,379,226.42/1,903,296.24 = 767,380.50/x
  3. Step 3: Cross multiply
    1,379,226.42x = 1,903,296.24 × 767,380.50
  4. Step 4: Simplify right side
    1,379,226.42x = 1,460,552,420,299.32
  5. Step 5: Solve for x
    x = 1,460,552,420,299.32/1,379,226.42
  6. Step 6: Final answer
    x = 1,058,964.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.