Home / 1,328,904.20-1,993,286.64-382,237.76

Finding the Fourth Proportional to 1,328,904.20, 1,993,286.64 and 382,237.76

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Solution

The fourth proportional to 1,328,904.20, 1,993,286.64 and 382,237.76 is: 573,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,904.20 : 1,993,286.64 = 382,237.76 : x
  2. Step 2: Convert to fraction form
    1,328,904.20/1,993,286.64 = 382,237.76/x
  3. Step 3: Cross multiply
    1,328,904.20x = 1,993,286.64 × 382,237.76
  4. Step 4: Simplify right side
    1,328,904.20x = 761,909,420,311.53
  5. Step 5: Solve for x
    x = 761,909,420,311.53/1,328,904.20
  6. Step 6: Final answer
    x = 573,336.60

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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.