Home / 1,755,020.25-2,632,530.38-425,324.25

Finding the Fourth Proportional to 1,755,020.25, 2,632,530.38 and 425,324.25

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Solution

The fourth proportional to 1,755,020.25, 2,632,530.38 and 425,324.25 is: 637,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,020.25 : 2,632,530.38 = 425,324.25 : x
  2. Step 2: Convert to fraction form
    1,755,020.25/2,632,530.38 = 425,324.25/x
  3. Step 3: Cross multiply
    1,755,020.25x = 2,632,530.38 × 425,324.25
  4. Step 4: Simplify right side
    1,755,020.25x = 1,119,679,007,349.09
  5. Step 5: Solve for x
    x = 1,119,679,007,349.09/1,755,020.25
  6. Step 6: Final answer
    x = 637,986.38

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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.