Home / 1,048,930.36-1,446,130.26-685,729.80

Finding the Fourth Proportional to 1,048,930.36, 1,446,130.26 and 685,729.80

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Solution

The fourth proportional to 1,048,930.36, 1,446,130.26 and 685,729.80 is: 945,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,930.36 : 1,446,130.26 = 685,729.80 : x
  2. Step 2: Convert to fraction form
    1,048,930.36/1,446,130.26 = 685,729.80/x
  3. Step 3: Cross multiply
    1,048,930.36x = 1,446,130.26 × 685,729.80
  4. Step 4: Simplify right side
    1,048,930.36x = 991,654,613,963.75
  5. Step 5: Solve for x
    x = 991,654,613,963.75/1,048,930.36
  6. Step 6: Final answer
    x = 945,396.05

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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.