Home / 1,279,195.38-1,919,795.76-892,429.02

Finding the Fourth Proportional to 1,279,195.38, 1,919,795.76 and 892,429.02

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Solution

The fourth proportional to 1,279,195.38, 1,919,795.76 and 892,429.02 is: 1,339,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,195.38 : 1,919,795.76 = 892,429.02 : x
  2. Step 2: Convert to fraction form
    1,279,195.38/1,919,795.76 = 892,429.02/x
  3. Step 3: Cross multiply
    1,279,195.38x = 1,919,795.76 × 892,429.02
  4. Step 4: Simplify right side
    1,279,195.38x = 1,713,281,448,696.96
  5. Step 5: Solve for x
    x = 1,713,281,448,696.96/1,279,195.38
  6. Step 6: Final answer
    x = 1,339,343.06

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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.