Home / 1,479,918.70-2,042,289.60-800,855.20

Finding the Fourth Proportional to 1,479,918.70, 2,042,289.60 and 800,855.20

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Solution

The fourth proportional to 1,479,918.70, 2,042,289.60 and 800,855.20 is: 1,105,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,918.70 : 2,042,289.60 = 800,855.20 : x
  2. Step 2: Convert to fraction form
    1,479,918.70/2,042,289.60 = 800,855.20/x
  3. Step 3: Cross multiply
    1,479,918.70x = 2,042,289.60 × 800,855.20
  4. Step 4: Simplify right side
    1,479,918.70x = 1,635,578,246,065.92
  5. Step 5: Solve for x
    x = 1,635,578,246,065.92/1,479,918.70
  6. Step 6: Final answer
    x = 1,105,181.15

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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.