Home / 1,513,572.12-2,088,745.82-825,238.35

Finding the Fourth Proportional to 1,513,572.12, 2,088,745.82 and 825,238.35

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Solution

The fourth proportional to 1,513,572.12, 2,088,745.82 and 825,238.35 is: 1,138,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,572.12 : 2,088,745.82 = 825,238.35 : x
  2. Step 2: Convert to fraction form
    1,513,572.12/2,088,745.82 = 825,238.35/x
  3. Step 3: Cross multiply
    1,513,572.12x = 2,088,745.82 × 825,238.35
  4. Step 4: Simplify right side
    1,513,572.12x = 1,723,713,149,940.01
  5. Step 5: Solve for x
    x = 1,723,713,149,940.01/1,513,572.12
  6. Step 6: Final answer
    x = 1,138,837.80

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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.