Home / 1,369,786.60-2,054,679.90-358,906.60

Finding the Fourth Proportional to 1,369,786.60, 2,054,679.90 and 358,906.60

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Solution

The fourth proportional to 1,369,786.60, 2,054,679.90 and 358,906.60 is: 538,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,786.60 : 2,054,679.90 = 358,906.60 : x
  2. Step 2: Convert to fraction form
    1,369,786.60/2,054,679.90 = 358,906.60/x
  3. Step 3: Cross multiply
    1,369,786.60x = 2,054,679.90 × 358,906.60
  4. Step 4: Simplify right side
    1,369,786.60x = 737,438,176,997.34
  5. Step 5: Solve for x
    x = 737,438,176,997.34/1,369,786.60
  6. Step 6: Final answer
    x = 538,359.90

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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.