Home / 1,479,883.50-2,042,241.05-800,820

Finding the Fourth Proportional to 1,479,883.50, 2,042,241.05 and 800,820

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Solution

The fourth proportional to 1,479,883.50, 2,042,241.05 and 800,820 is: 1,105,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,883.50 : 2,042,241.05 = 800,820 : x
  2. Step 2: Convert to fraction form
    1,479,883.50/2,042,241.05 = 800,820/x
  3. Step 3: Cross multiply
    1,479,883.50x = 2,042,241.05 × 800,820
  4. Step 4: Simplify right side
    1,479,883.50x = 1,635,467,479,663.05
  5. Step 5: Solve for x
    x = 1,635,467,479,663.05/1,479,883.50
  6. Step 6: Final answer
    x = 1,105,132.59

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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.