Home / 1,798,143.59-2,697,395.79-518,782.75

Finding the Fourth Proportional to 1,798,143.59, 2,697,395.79 and 518,782.75

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Solution

The fourth proportional to 1,798,143.59, 2,697,395.79 and 518,782.75 is: 778,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,143.59 : 2,697,395.79 = 518,782.75 : x
  2. Step 2: Convert to fraction form
    1,798,143.59/2,697,395.79 = 518,782.75/x
  3. Step 3: Cross multiply
    1,798,143.59x = 2,697,395.79 × 518,782.75
  4. Step 4: Simplify right side
    1,798,143.59x = 1,399,362,400,976.57
  5. Step 5: Solve for x
    x = 1,399,362,400,976.57/1,798,143.59
  6. Step 6: Final answer
    x = 778,226.17

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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.