Home / 1,329,883.60-1,997,777.85-824,817.82

Finding the Fourth Proportional to 1,329,883.60, 1,997,777.85 and 824,817.82

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Solution

The fourth proportional to 1,329,883.60, 1,997,777.85 and 824,817.82 is: 1,239,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,883.60 : 1,997,777.85 = 824,817.82 : x
  2. Step 2: Convert to fraction form
    1,329,883.60/1,997,777.85 = 824,817.82/x
  3. Step 3: Cross multiply
    1,329,883.60x = 1,997,777.85 × 824,817.82
  4. Step 4: Simplify right side
    1,329,883.60x = 1,647,802,771,081.29
  5. Step 5: Solve for x
    x = 1,647,802,771,081.29/1,329,883.60
  6. Step 6: Final answer
    x = 1,239,057.89

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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.