Home / 1,798,147.35-2,697,401.42-518,786.51

Finding the Fourth Proportional to 1,798,147.35, 2,697,401.42 and 518,786.51

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Solution

The fourth proportional to 1,798,147.35, 2,697,401.42 and 518,786.51 is: 778,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,147.35 : 2,697,401.42 = 518,786.51 : x
  2. Step 2: Convert to fraction form
    1,798,147.35/2,697,401.42 = 518,786.51/x
  3. Step 3: Cross multiply
    1,798,147.35x = 2,697,401.42 × 518,786.51
  4. Step 4: Simplify right side
    1,798,147.35x = 1,399,375,452,669.90
  5. Step 5: Solve for x
    x = 1,399,375,452,669.90/1,798,147.35
  6. Step 6: Final answer
    x = 778,231.80

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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.