Home / 1,821,259.49-2,513,667.11-1,086,260.90

Finding the Fourth Proportional to 1,821,259.49, 2,513,667.11 and 1,086,260.90

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Solution

The fourth proportional to 1,821,259.49, 2,513,667.11 and 1,086,260.90 is: 1,499,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,259.49 : 2,513,667.11 = 1,086,260.90 : x
  2. Step 2: Convert to fraction form
    1,821,259.49/2,513,667.11 = 1,086,260.90/x
  3. Step 3: Cross multiply
    1,821,259.49x = 2,513,667.11 × 1,086,260.90
  4. Step 4: Simplify right side
    1,821,259.49x = 2,730,498,298,061.86
  5. Step 5: Solve for x
    x = 2,730,498,298,061.86/1,821,259.49
  6. Step 6: Final answer
    x = 1,499,236.28

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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.