Home / 1,329,311.20-1,991,342.40-795,245.80

Finding the Fourth Proportional to 1,329,311.20, 1,991,342.40 and 795,245.80

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Solution

The fourth proportional to 1,329,311.20, 1,991,342.40 and 795,245.80 is: 1,191,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,311.20 : 1,991,342.40 = 795,245.80 : x
  2. Step 2: Convert to fraction form
    1,329,311.20/1,991,342.40 = 795,245.80/x
  3. Step 3: Cross multiply
    1,329,311.20x = 1,991,342.40 × 795,245.80
  4. Step 4: Simplify right side
    1,329,311.20x = 1,583,606,679,961.92
  5. Step 5: Solve for x
    x = 1,583,606,679,961.92/1,329,311.20
  6. Step 6: Final answer
    x = 1,191,298.68

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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.