Home / 1,294,850.10-1,788,021.42-812,244.80

Finding the Fourth Proportional to 1,294,850.10, 1,788,021.42 and 812,244.80

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Solution

The fourth proportional to 1,294,850.10, 1,788,021.42 and 812,244.80 is: 1,121,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,850.10 : 1,788,021.42 = 812,244.80 : x
  2. Step 2: Convert to fraction form
    1,294,850.10/1,788,021.42 = 812,244.80/x
  3. Step 3: Cross multiply
    1,294,850.10x = 1,788,021.42 × 812,244.80
  4. Step 4: Simplify right side
    1,294,850.10x = 1,452,311,100,683.62
  5. Step 5: Solve for x
    x = 1,452,311,100,683.62/1,294,850.10
  6. Step 6: Final answer
    x = 1,121,605.58

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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.