Home / 1,313,855.10-1,970,847.45-683,999.10

Finding the Fourth Proportional to 1,313,855.10, 1,970,847.45 and 683,999.10

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Solution

The fourth proportional to 1,313,855.10, 1,970,847.45 and 683,999.10 is: 1,026,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,855.10 : 1,970,847.45 = 683,999.10 : x
  2. Step 2: Convert to fraction form
    1,313,855.10/1,970,847.45 = 683,999.10/x
  3. Step 3: Cross multiply
    1,313,855.10x = 1,970,847.45 × 683,999.10
  4. Step 4: Simplify right side
    1,313,855.10x = 1,348,057,882,037.30
  5. Step 5: Solve for x
    x = 1,348,057,882,037.30/1,313,855.10
  6. Step 6: Final answer
    x = 1,026,032.39

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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.