Home / 1,301,636.25-1,952,488.94-415,172.25

Finding the Fourth Proportional to 1,301,636.25, 1,952,488.94 and 415,172.25

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Solution

The fourth proportional to 1,301,636.25, 1,952,488.94 and 415,172.25 is: 622,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,636.25 : 1,952,488.94 = 415,172.25 : x
  2. Step 2: Convert to fraction form
    1,301,636.25/1,952,488.94 = 415,172.25/x
  3. Step 3: Cross multiply
    1,301,636.25x = 1,952,488.94 × 415,172.25
  4. Step 4: Simplify right side
    1,301,636.25x = 810,619,224,244.05
  5. Step 5: Solve for x
    x = 810,619,224,244.05/1,301,636.25
  6. Step 6: Final answer
    x = 622,769.40

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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.