Home / 1,786,270.20-2,684,720.03-840,305.22

Finding the Fourth Proportional to 1,786,270.20, 2,684,720.03 and 840,305.22

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Solution

The fourth proportional to 1,786,270.20, 2,684,720.03 and 840,305.22 is: 1,262,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,270.20 : 2,684,720.03 = 840,305.22 : x
  2. Step 2: Convert to fraction form
    1,786,270.20/2,684,720.03 = 840,305.22/x
  3. Step 3: Cross multiply
    1,786,270.20x = 2,684,720.03 × 840,305.22
  4. Step 4: Simplify right side
    1,786,270.20x = 2,255,984,251,246.03
  5. Step 5: Solve for x
    x = 2,255,984,251,246.03/1,786,270.20
  6. Step 6: Final answer
    x = 1,262,958.01

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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.