Home / 1,821,134.66-2,731,998.45-683,985.38

Finding the Fourth Proportional to 1,821,134.66, 2,731,998.45 and 683,985.38

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Solution

The fourth proportional to 1,821,134.66, 2,731,998.45 and 683,985.38 is: 1,026,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,134.66 : 2,731,998.45 = 683,985.38 : x
  2. Step 2: Convert to fraction form
    1,821,134.66/2,731,998.45 = 683,985.38/x
  3. Step 3: Cross multiply
    1,821,134.66x = 2,731,998.45 × 683,985.38
  4. Step 4: Simplify right side
    1,821,134.66x = 1,868,646,997,982.66
  5. Step 5: Solve for x
    x = 1,868,646,997,982.66/1,821,134.66
  6. Step 6: Final answer
    x = 1,026,089.42

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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.